四年级下册每日每周口算题卡17页
全国事业单位改革-读十万个为什么有感
70×50=250÷50=14×60=80÷40=
18×50=16×30=1.25+2.3=35.7-2.4=
12.3+4.06=0.75+0.4=1.34+0.8=9.5-2.7=
1.8+8.18=7.82-7.2=8.7+0.03=2.7+3.9=
9.3-8.8=1.9+25.79=4.5-3.26=5.1-1.9=2.2+5.7=
4.8-2.5=18.3-3.7=2.9+15.9=6.3+3.6=6.7-4.5=
6.8-0.7=27.3+2.15=23.5+1.68=53.16+3.54=6.6-3.7=
7.2-2.7=
第二周
12.3+3.7=5.3+4.47=2.8+1.9=3.2+12.76=3.25-0.12=
4.5-2.1=5.8+6.9=1.5+4.85=16.8+5.4=3.6-1.3=
24.6+2.4=8.1+1.2=2.45+5.5=0.5+2.6=
93.1-20.9=53.4-2.4=5-0.08=96.3-56.2=
136.5-105=73.4+52.1=79.2+56.8=7.21+6.9=
1.64+2.35=6.72-3.28=35.7-2.4=4.5-3.26=
5.1-1.9=2.2+5.7=640÷80=15×5=23×3=第三周
12×2×5=480÷80=16×5=27×3=90÷15=48÷4=640÷16=
39÷3=24×20=32×3=48÷16=12×8=27×3=56÷14=24÷8=14×2=8
3－
45=560÷80=96÷24=40÷20=40×30=37＋26=
6800×400=280+270=
4×2500=6000÷40=5×1280=310－70=
1 49
第四周
400×14=470+180=1000÷25=160×600=
20×420=290×300=8100÷300=
7600÷200=930-660=7600
÷400=680+270=980÷14=4200÷30=6×1300=
200×48=530+280=
180×500=8000÷500=
8700÷300=
300×330=3×1400=
140×300=8800÷40=
第五xx
760×20=7500÷500=
8600－4200=
240×4=640÷80=
7200+900=410-201=
390+140=11×80=
第六周
4.8-2.5=18.3-3.7=
6.8-0.7=0.2-0.09=
20.22+0.78=2-0.75=
8.34-6.22=1300×50=
9200÷400=840÷21=
1900÷20=200×160=
2
49
7000÷14=600÷12=9600÷80=96
00÷800=750－290=5×490=370×200=650÷13=
15×10=160
×30=250×6=125×8=48×20=6600÷600=24×50=3600÷400=4000
÷50=
2.9+15.9=6.3+3.6=6.7-4.5=2+9.1=0.89-0.25=
1-0.55=
5.78-0.24=0.42+10.68=
320X5=120X8=9X470=310X5=6X150=
390X5=2X570=6X270=270X2=940X3=
700X8=4X280=6X660=2X880=6X230=
8X800=7X210=860X6=6X930=480X9=
6X280=240X3=7X130=2X450= 9X390=
9X780=270X5=5X690=790X6=720X9=
8X920=4X980=340X7=4X710=8X730= 900X2=第八周
57X9=9X970=4X590=3X860=
290X4=7X630=960X7=860X9=8X680=
340X2=5X490=5X500=6X470=560X3=
5X300=5X180=8X300=820X8=9X150=
140X7=3X420=480X6=530X4=390X2=
810X8=8X180=2X950=670X9=360X9=
400X9=2X760=9X350=430X8=670X6=
850X4=320X3=3X550=4X330=980X9= 560X6=第九周
87X8=920X7=7X510=00X2=
8X490=7X250=7X320=770X2=2X330=
4X520=410X9=730X4=680X3=2X180=
550X6=6X970=2X840=770X5=970X5=
5X370=620X8=990X6=4X780=940X6=
第十xx
3.2+12.76=3.25-0.12=530－70=420－90=
9600÷30
=7×700=203+98=1800÷300=240+570=4800÷400=370+580=58
0-
490=910－370=250×8=270－
3 49
190=360×2=75÷25=330÷11=6×800=5400÷
9=420÷60=9×800=3×330=300×7=9×500=39
0÷13=6300÷7
00= 370＋560=
第十一xx
5600÷700=4800÷12=3500÷7=520+490＝
450－90＝80＋330＝70×700＝7000÷70＝4000÷80＝2400÷200＝
420－90＝170＋320＝1000－51＝520－260＝
910－190＝35
×200＝22×200＝8800÷400＝9300÷300＝6×300＝1800÷200＝
9
300÷30＝280÷40＝304＋199＝390÷26＝1250÷50＝21×40＝6600÷22
0＝760－198
＝660－220＝5000÷50＝100×91＝753－299＝7000÷
70＝200÷40＝
180÷30=240÷40=35×2=140×7=13×6=
第十二xx
280×3=350×2=50×11=250×6=
7200+900=410-201=125×8=48×20=
6600÷600=390+140=11×80=24×50=3600÷400=4000÷50=
530－70=420－90=9600÷30=7×700=
203+98=1800÷300=240+570=4800÷400=
370+580=
580－490=3×330=300×7=9×500=390÷13=6300÷700=5600÷700
=
第十三xx
4800÷12=3500÷7=370＋560=520＋490=450
－90＝80＋330＝70×700＝
7000÷70＝4000÷80＝2400÷200=420
－90＝170＋320＝520－260=910－190=
35×200＝22×200＝880
0÷400=9300÷300=6×300＝1800÷200＝9300÷30＝
280÷40＝3
04＋199＝390÷26＝1250÷50＝21×40＝6600÷220=760－198=
660－220
＝5000÷50＝100×91＝753－299＝17×40＝
4
49
100－63＝75÷15＝4.4+15.99=88-69.21=
63.1-11=0.48+0.52=1-0.98=3.7+4.8=8.36+0.64=
3.6+0.87=8.16+3.7=0.33+9.8=
810÷90=630÷70=
100÷20=720÷90=240÷80=60÷10=150÷30=450÷90=360÷90=21
0
÷70=320÷40=450÷90=
第十四xx
160÷40=360÷6
0=180÷90=150÷50=320÷80=400÷50=360÷60=40÷20=720÷80=
480
÷80=350÷70=70÷10=100÷50=640÷80=80÷40=100÷50
=200÷40=300÷60=140÷70=540÷
90=160÷40=240÷40=180
÷60=630÷70=540÷60=360÷30=400÷50=180÷90=420÷70=960<
br>÷60=420÷60=900÷50=420÷10=620÷20=240÷80=400÷40=6
30÷30=950÷10=740÷10=84
0÷30=680÷40=822÷6=380÷20
=620÷10=300÷50=140÷70=300÷10=940÷10=360÷40=84
0
÷30=680÷40=360÷60=2÷6=
960÷6=
530÷10=
210÷10=
960÷80=
980÷70=
400÷80=
180÷30=
860÷20=
180÷30=
860÷20=
770÷10=
260÷10=
5 49
300÷60=
990÷6=第十五xx
380÷20=300÷50=850÷10=
990÷90=210÷10=240÷60=
300÷50=850÷10=960÷6=
990÷90=300÷50=960÷80=180÷90=300÷50=180÷90=980
÷
70=240÷80=280÷40=400÷80=970÷10=270÷30=1000÷50=970÷
10=270÷30=1000÷50=
670÷10=220÷20=490÷70=350÷10=
990÷10=960÷30=880÷40=480÷20=670÷10=220÷20
=490÷
70=350÷10=990÷10=680÷20=300÷60=900÷10=900÷20=690÷3
0=990÷6=950÷50
=60÷30=540÷60=580÷10=260÷20=680÷
20=900÷10=900÷20=770÷10=690÷30=950÷50
=360÷60=4
70÷10=1000÷10=第十六周
12.3+4.06=
0.75+0.4=
1.34+0.8=
9.5-2.7=
1.8+8.18=
7.82-7.2=
8.7+0.03=
2.7+3.9=
9.3-8.8=
1.9+25.79=
7.85+3.4=
3.07+3.65=
1.83+2.7=第十七xx
6 49
4.29+2.1=
8.3-2.63=
1.7+0.43=
5-0.44=
12.6+3.42=
19.8-5.6=
14-0.14=
4.64+15.36=
0.99+1.8=
2.56-0.37=
3.9+2.03=
2.14-0.9=
7.55-4.1=
0.87+5.68=
13.3-5.28=
7.87+5.66=
62.3-1.25=
5.7-0.93=4.1+28.9=
25.13-1.8=
5.87+35.26=
3.08+5.83=
7 49
5.62-4.2=
16.52-1.08=
35.85+8.04=
30.07+39.65=
11.83+62.7=
3.8+9.9=
54.29+27.1=
98.3-2.3=
10.7+0.93=
5.64-0.44=
1.6+68.42=
85.8-56.6=
20.2-7.09=24+9.18=
10.89-10.25=
1.1-0.55=
2.22+0.8=
2.2-0.75=
54.78-10.24=
50.42+20.98=
2.34-1.2=9.25+2.25=
9.23+4.52=
8
49
24.8+1.46=
5.58+1.89=
0.78+2.2=
0.8-0.45=
6.45-3.29=4.86-0.42=42.5-23.65=
3.06+8.45=56.2+9.38=
4.64+2.36=67.3+23.92=
7.8+45.22=4.72+8.49=
1.8+5.75=5.63+1.27=
0.63+4.5=9.06-1.59=
29.9+5.6=7.95-4.9=
92.7-0.05=
87.68-20.7=
75.8-17.5=
42.5-23.65=
56.2+9.38=
67.3+23.92=
4.72+8.49=
5.63+1.27=
9.06-1.59=
7.95-4.9=
9 49
8.02+5.08=
18.5-5.07=
4.32+18.7=
5.65+8.95=
7.3+49.52=
54.8+9.4=
6.8+89.8=
0.78+2.2=
0.6-0.59=
66.5-3.2=
55.63-5.6=
11.3+80=
15.6-4.4=
8.4+35.76=
8.8-2.69=
62.9-2.17=
6.08+12.3=
3.9+1.32=
15.78+23.9=
4.5-1.5=4.78+3.94=
98.8+0.08=
10
49
47.3+5.04=
33.1-7.65=
6.07-5.63=
56.3-28.7=
1.62-1.58=
2.15+10.86=
81.1-14.9=
4.2+3.76=
12.7-0.55=
7.68-2.74=
5.58-1.75=
12.45-0.65=
6.32+8.3=
27.3+73.2=
4.22+8.46=
5.63+1.25=
9.36-1.59=
7.65-4.19=
3.9+7.5=
16.9-1.79=
5.63+9.5=
11 49
4.6-0.52=
3.56+5.75=
2.64+2.36=
76.8+5.2=
1.5+5.5=
0.68+4.85=
39.7+5.06=
2.42+0.59=
57.5+1.36=
6.09+8.04=
4.98+1.89=
6.4+53.6=
32.01+5.05=
24.4-15.5=
3.6+20.02=
41.2-2.66=2.42+0.59=
57.5+1.36=
6.09+8.04=
4.98+1.89=
6.4+53.6=
32.01+5.05=
12 49
24.4-15.5=
3.6+20.02=
41.2-2.66=
4.4+7.68=
55.63-5.6=
11.3+80=
15.6-4.4=
8.4+35.76=
8.8-2.69=
62.9-2.17=
6.08+12.3=
3.9+1.32=
15.78+23.9=
4.5-1.5=
4.78+3.94=
98.8+0.08=
47.3+5.04=
33.1-7.65=
6.07-5.63=
56.3-28.7=
1.62-1.58=
13 49
2.15+10.86=
81.1-14.9=
4.2+3.76=
2.32+0.59=
6.5+18.9=
6.9+8.4=3.36+0.92=11.3+31.25=198.3-25.1=
41.92-2.6=9.37-6.8=132.8-59.8=四年级口算（七）
4.5+17.58=44.9-31.9=91.9-21.1=
5.63-5.21=
1.3+8.56=
14.6-0.34=
8.24+3.76=
8.88-2.69=
42.5-22.17=
6.2+12.63=
3.8+1.37=
15.28+28.99=
4.65-1.15=
4.08+3.96=
28.8+3.58=
45.03+5.4=
14 49
34.71-5.65=
68.07-5.63=
6.3-2.07=
51.62-16.58=
22.15+16.96=
51.16-14.6=
4.6+3.76=
3.94+35.6=
41.43+22.68=
7.08+28.95=
28.3+1.95=
19.29-9.3=
6.8-5.05=
25.63-7.52=
25.9+31.1=
99.1+1.9=
35.5+25.4=
32.5+6.84=
35.43-15.3=
101.7-81.65=
17.26+56.17=
15 49
53.69+39.05=
8.99+58.06=
26.5-15.7=
27.37+6.58=
50.43-34.4=20.1-19.9=
71.4+22.57=
7.06+2.87=
0.8+82.2=
2.55+9.45=
51.9-21.8=
29.4-8.83=
5.12+7.84=
7.56+4.36=
81.9-56.45=
35-15.6=
18.26+3.8=
71.05+2.25=
40-27.35=
16.09+7.01=
3.46+5.05=
11.16-2.36=
16 49
145.8-15.3=
128.9-17.7=
35.5+41.9=
13.56+24.44=
33.8-25.6=
158.3-38.2=
4.97+7.29=
18.9+27.1=
0.9+121.1=
96.7+16.3=
23.5-4.05=
5.4+73.65=
1.8+3.09=
75.9-38.7=
51.2-11.2=
22.13+4.07=
76-47.88=
39.1+2.09=
48.6-47.9=
1.6+20.47=9.28+1.69=
59.9+41.1=
17 49
97.8+14.55=
29.8-3.5=
57.62+5.5=
0.95+9.65=
36.9+6.1=
30.5-15.6=
9.05-3.4=
26.7+13.3=
41.9-5.8=
16.89-2.46=
85.6-45.1=
7.94+18.5=
4.28-1.93=
9.53+3.3=
36.1-31.4=
5.02+3.73=
44.6-15.15=
21.2+58.36=
9.07+48.1=
17.6-6.29=
13.47+85.4=
18 49
3.29+12.5=
62.3-33.75=
4.83+10.51=
13.98+16.3=
6.03-3.7=
9.84-2.77=
8.15+32.5=
35.82-5.67=
5.69+17.2=
4.25-2.11=
四年级口算（九）
80.09-14.49=
11.89+7.74=
8.41-1.16=四年级口算四年级口算（八）25.64-5.01=10.33-7.7=
34.9+35.5=3.92-2.1=16.5+43.25=
74.32-8.75=16.3+28.1=60.03+19.57=
3.57+11.5=16.59-1.66=
34.1-12.05=43.33-5.6=
10.37+8.6=28.16-6.9=
39.5-7.2=38.19-2.6=
5.93+6.13=
19 49
37.5-4.06=
10.73-2.19=
14.01+3.99=
8.63-7.73=
27.9+25.55=
11.43+8.34=
26.8-17.06=
67.1-49.05=
13.74+9.53=
7.25+5.23=
3.84-3.48=
9.15-7.4=
4.42+16.34=
33.46-16.06=
8.74+13.82=
3.36-3.29=
46.1+6.95=
17.01-3.72=
29.22+6.33=
83.2-7.9=
47.2-19.6=
20 49
39.8+6.79=
9.11+15.9=
85.2-59.3=
3.17+5.6=
6.9-1.15=
8.75+6.7=
4.78+19.4=
43.2-35.5=
4.47+9.64=
69.2-30.4=
16.08+7.78=
12.25-7.62=
36.28+24.9=
51-35.6=
6.11-2.2=28.04-5.8=
2.37+6.94=
61-10.7=
8.46+5.38=
5.36+4.1=
14.8+16.2=
15.16-2.4=
21 49
16.18+45.96=
0.51+2.86=
11.52+22.74=
31.26-2.9=
32.6+5.97=
31.28+13.82=
22.81-10.92=
50.36+15.63=
2.6+16.44=
21.55+20.6=
5.66+1.44=
1.69+5.88=
51.26+5.8=
27.3+4.4=
53.6-16.83=
22.54+6.66=
13.2-1.66=
24.5-1.9=
51.62-2.8=
23.4-12.48=
4.56+12.56=
22 49
46.25-5.6=
23.56+12.45=
22.11-3.87=
63.25-7.78=
24.26+15.83=
18.37+15.7=13.8+37.85=
17.51-3.6=
55.16-22.37=
2.37+1.68=
73.28+1.44=
30.73+9.5=
13.6-12.69=
41.52-23.51=
23.6-1.77=
30.26-16.45=
2.77-1.78=
16.73-8.16=
36.45+17.49=
29.4-1.66=
43.16-8.8=
26.5-13.66=
23 49
55.1-44.9=
36.45+3.55=
6.69+1.8=
55.33-6.9=
20.88-19.5=
12.34+23.45=
32.14+5.6=
47.11-28.22=
25.36-23.79=
5.3-2.89=
2.09+43.6=
16.25+8.67=
13.44-2.48=
49.2-13.61=
13.16+8.48=
11.04+6.98=
1.3+9.77=四年级口四年级口算（十一）
四年级口算四年级口算（十二）15.6+15.06=5.4+8.7=0.7+30.5=
15.32-6.83=
38.38-46.46=
12+8.2=
24 49
25.7-6.2=
3.48+6.6=
2-1.07=
2.31+8.49=
23-0.3=
11-1.1=
17.3-0.6=
8.8+32.2=
7.6+3.12=
2.3+26.52=
16.4-3.5=
9.9+2.01=
1.9+9.3=
2.3+4.5=
2.4+5.27=
1.4+46.6=
3.6+23.9=
4.09+2.6=
6.9+2.01=
31.9-1.8=
9.7+32.3=
25 49
51.2+0.12=
2.34+3.4=
0.11+4.2=
8.12-0.82=
31.8-0.9=
42.9+6.5=
5.36+6.7=
4.4+6.57=
3.5+16.8=
2.5+7.05=
4.5-3.9=
3.07+4.98=
7.6-3.26=6.87+2.2=
5.3+23.7=
9.5-0.05=
0.34+12.6=
8.9+0.21=
4.6+23.45=
1.09+9.6=
8.7+9.6=
34.7+3.3=
26 49
8.4-4.6=
25.8-4.5=
3.1+3.9=
7.5+41.5=
6.12-6.1=
64.7+0.5=
31-0.8=
22.8+4.9=
7.6+1.9=
2.5-0.05=
3.6-0.09=
3.9+8.1=
9.8+1.6=
11-0.67=
3.3+7.68=
6.5+6.05=
5.9+3.1=
6.1+3.8=
5.4-4.6=
2.13+2.7=
4.9+2.6=
27 49
15-1.6=
1.02+2.8=
5.3-3.5=
4.4+1.6=
6.06+3.4=
35.4+7.6=
7.7-0.8=
18-0.9=
3.3+3.06=
5.4+2.66=2.5-1.3=
15.4-0.6=
4.3+5.6=
1.8+5.57=
10.6-0.3=
6.3+4.56=
25.4-3.5=
19.8+3.3=6-0.35=
7.3-0.7=
2.5+5.63=
13.4+6.5=18-0.8=
2.4-2.02=
28 49
1.6+21.34=四年级口算（十五）
3.3+4.5=
2.5+0.75=
5.4-0.3=
9.2+0.08=
12.5-6.5=
7.1+42.9=
5.6+5.5=
3.2-3.01=
6.45+2.5=
2.9+1.2=
四年级口算（十六）
5.3+23.7=
10.2-0.5=
1.4+6.06=
47.9-10.9=
2.3+8.77=
11.2-2.4=38-16.5=
9.9+12.1=
29.8+10.2=
17.8-2.9=
29 49
2.3+0.07=
6.04+3.96=
7.2-6.8=
10-3.5=
7.7-3.9=6.45+25.3=15.3+22.41=
5.8+3.2=14.29+5.11=14.65+2.1=
37.15-45.02=
12.5+5.64=1.23+5.64=
0.8-0.3=23.05-16.02=48.5-6.4=
6.25-3.2=5.9
3-3.6=15.9+4.5=18-0.58=11.3+23.65=6.49+42.8=
13.8+1.9=9.17-5.06=3.69+4.5=
41.5-3.8=1.89+4.3=四年级口算（十七）
3.56+6.4=
41.5+3.7=
4.7-2.65=
43.19+5.1=
52.7+7.53=
1.23+0.77=
4.3-3.4=
1.39+8.7=
1.81+3.3=
30 49
8.9+2.1=
3.6-24.8=
1.72+6.7=
12-1.2=
9.5+0.9=
5.9-2.2=
25.3+6.6=
16-0.53=
37.5+4.61=
7.58+0.3=
12.5-2.7=
10-7.6=
22.9-2.8=
1.18+20.9=
56.8-3.9=
35-4.5=
2.5+9.45=
6.35-1.5=
53.6-15.4=
8.08+2.02=
4.19-2.1=
31 49
2.27-0.5=
3.12+5.19=
37.15+2.85=
5.41+42.6=
45.2-15.2=45.1-25.1=
9.58+4.3=
26.1+4.59=
4.6+18.67=
4.85+2.5=
3.3+9.8=
34.5-21.6=
8.66-2.46=
28.5-3.8=
25.6+14.4=
75.6-26.4=
3.07+20.5=
20.3-17.1=
24.3-12.24=
28.25+3.15=
31.26-12.5=
4.66+12.4=
32 49
16.72+0.6=
30.1-10.05=
23.9+7.88=
25.4-6.2=
7.51+3.8=
8.46-5.41=
42.1-6.1=
6.55-4.24=
5.09-3.4=
24.1+12.34=
3.94+6.2=
8.38+34.12=
12.6-2.5=
2.95+7.3=
6.19+9.24=
36.56-21.4=
6.03+7.57=21.56-2.4=
56.4-26.3=
18.31-5.01=
11.6+35.45=
7.55+16.3=54-23.6=
33 49
13.8+3.2=
35.12-4.1=
36.56-12.5=
21.5+11.65=
16.8-6.5=
29.4+0.06=
19.28-8.25=
23.7-11.9=
31.6-5.8=
27.3+0.85=
31.1-19.6=
13.55+0.65=
4.37+25.8=
2.21+27.3=
33.7-23.5=
12.86-5.6=
23.89+1.01=
25.92-15.8=
28.08+12.2=
33.5-12.7=
1.28+26.5=
34 49
3.61+36=
20.1+0.21=
25.67-5.6=
13.2+5.9=
13.25-3.2=
9.95+0.65=
3.64+38.5=41.8-30.7=28.6-12.5=
7.43+34.8=18.6-5.5=
15.85-12.21=24.33+12.5=11-4.5=
10.95-7.65=6.3+4.07=
2.14+20.3=60.75+3.25=
5.07+35.23=13.5+11.25=
36.1-18=30-5.55=
四年级口算（二十）
12.48+3.45=
23.2-16.5=
26.3-25.2=
36.85-12.5=
20.09-19.9=
39.69+20.11=
5.4-4.8=
35 49
20.3+19.2=
0.01+9.99=
20.18-5.05=
7.85-2.34=
6.71+14.9=
29.4-7.8=
1.84+30.5=
36.87-3.6=
43.8-34.5=
7.44+0.66=
15.9-7.52=
9.45+13.6=
42.94-31.6=
6.45+8.7=
15.9+6.1=
0.23+12.5=
6.28+22.9=
0.98-0.24=
36.8-4.2=
10.12-0.21=
16.14+23.86=
36 49
0.12-0.01=
11.48+0.02=
13.52+0.7=
22.95-10.6=
3.65+34.6=
5.18-3.08=2.65+3.45=
25.89-12.8=12.45-0.65=
7.5-2.9=3.69+6.31=
66.6+33.4=5.9+4.13=
18.2-0.18=4.24+3.56=
19.13-16.11=
25.76-15.6=15.8+11.9=
18.16-0.61=43.02-15.9=
13.96-2.9=6.25+13.75=
51.1-2.1=2.75+7.35=
10.45+3.55=
4.15-3.45=3.5+45.9=
56.23+12.89=20.17+20.71=
18.08+22.9=4.67+3.33=
11.07+13.93=21.7+9.3=
30.5-6.57=20.5-4.6=
37 49
23.05+45.1=
20-12.25=
60-32.5=2.12+3.88=
3.45+12.95=9.8-3.28=
66.25+33.75=20.78+4.66=
20.4+5.6=
13.8-4.2=
24.8-11.6=5.12-4.22=
10.07+3.93=7.45+1.89=
8.9+4.35=7.24+12.6=
40.9-20.09=23.88+10.2=
43.17+2.9=11.8+40.2=25-4.54=
14.6+4.56=
5.76+3.42=
4.49+4.11=
6.5+5.8=2.07-1.98=四年级口算（二十一）10-7.98=
23.1+45.09=2.34+19.78=
11.2-4.8=31.44-5.64
=13-4.23=98.1+10.2=12-4.55=11.2-4.9=
8.99+2.11=34.2+2.9=
19.02+6.9=12.8+13.23=
6.08+3.94=四年级口27.19-5.56=
38 49
2.03+12.5=46.11-26.52=19.89-8.26=
6.35+3.75=27.31-18.27=49.23-7.76=
3.67+45.03=34.12-16.5535.59-16.6=
4.6+3.04=16.7-8.86=5.79+16.76=
3.89+2.11=50.55-18.67=
8.97+3.03=22.68-8.86=4.8+7.6=
6.84-4.44=26.71+16.8=25.4-7.3=
6.12+5.78=24.56-7.66=1.72+3.5=
5.64-4.34=16.46+27.82=8.9-4.6=
60.2+5.34=43.52+8.86=26.3-10.5=
40.5-4.05=
54.3+44.53=
54.12+3.89=
3.56+6.12=
4.37+6.33=
6.45+4.3=
6.34+6.66=
12-5.88=
6.4+34.5=
12.3+5.6=
5.28+16.14=
39 49
30.5+9.6=
2.36+7.59=
13.16+53.59=
43.16+3.77=
5.58-2.19=
43.21-12.34=
16.55+2.9=
7.77+13.33=
13.32+7.6=
10.8-4.9=
3.08-2.88=
3.4+2.89=
6.78+5.43=
4.32+60.7=
8.9+1.1=
5.2+6.82=
50.12+4.78=
60-4.34=
8.98+4.23=3.67+50.3=
35.46+10.44=
30-6.45=
40 49
45-4.05=
34-5.2=
43.1+5.09=
53.2+1.2=
4.4+6.41=
45.23+1.67=
40-5.7=
23.4-16.8=
26.43+16.56=
12.34-1.23=
25.26-8.9=
43.73+17.62=
17.3-8.74=
15.84+9.99=
16.73+8.3=
13.75+3.84=
23.01-8.3=
12.3+4.5=
4.53+11.4=
46-4.6=
31.2+38=
41 49
3.45+25.5=
4.23+7.21=
39-4.9=
39-12.5=
6.8+54.2=
5.6+56=
21.21-19.12=2.5+4.9=
11.8+9.3=
3.12+6.9=
0.74-0.4=
8.5-6.8=
4.3-2.1=
6.2+7.8=
6.45-4.8=
5.97+25.4=
3.1-0.7=
4.12-3.76=
1.14+3.08=
1.06+5.08=
0.07+2.18=
35.3-4.7=
42 49
4.9-3.5=
5.01+6.4=
8.34-5.6=
6.7+2.1=
6.04+3.08=
3.58 +95.7=
4.05-2.4=
5.07+1.8=
9.27-6.5=
18.7-3.9=
5.7-0.63=
8.8-4.3=
3.07+5.09=
5.8-2.9=
5.9+0.5=
0.09+1.23=
5.5-1.9=四年级口算（二十五四年级口算（二十六2.17-
1.05=2.5+44.85=10.3+87.97=
7.51-8.3=19.8+5.42=98.3+4. 7=
5.6-2.57=32.6-5.3=5.8+27.9=
8.4-5.05=44.6+4.4=34.2+12.8=
5.98-3.9=2.1+1.2=37.25-13.12=
43 49
2.06-8.01=67.45+5.5=
5.05+6.09=21.5+2.35=
5.4-3.08=
5.3-8.4=
5.96+9.7=
4.8+7.6=
5.4+7.3=
4.95+16.2=
6.3-4.4=
21.2-3.9=
2.56+4.18=
8.6-4.8=
7.04-3.18=
3.12-0.09=
4.97+0.15=
5.8+3.39=
3.3-7.6=
2.1-0.07=
0.6+1.8=
7.4-0.9=
4.5-0.67=
44 49
9.1+4.8=
7.2+3.9=
6.09+93.5=
22.5+4.7=
6.9-3.6=
7.1-3.6=
8.8+9.4=
8.5-6.7=
8.4-1.02=
0.08+5.03=
1.04-0.08=
4.2+3.59=
6.37-5.6=
27.6-2.5=30.1-20.9=
23.4-2.48=
5.9-0.08=
6.3-5.29=
6.5-1.53=
7.4+5.16=
7.2+6.8=
7.21+6.97=
45 49
21.64+24.5=
64.2-3.22=
四年级口算（二十七）
60.7-2.88=
98.5-28. 6=
60.1-7.9=
8.92+5.7=
98.8-4.5=
98.3-67.7=
9.9+43.9=
3.3+89.6=
2.77-1.5=
4.78-0.77=
四年级口算（二十八）
20.2-7.09=
24+9.18=
10.89-10.25=
1.1-0.55=
2.22+0.8=
2.2-0.75=
54.78-10.24=
46 49
50.42+20.98=
2.34-1.2=
66.37+8.5=
67.3+10. 5=46.4+15.99=
8.8-6.21=
6.1-1.1=
10.48+0.2=
1.41-0.98=
83.7+4.8=
88.36+0.65=
63.6+9.87=
86.16+3.77=
60.33+9.8=
30.96-4.9=
9. 5+0.74=
81.4+10.8=
10.5-2.7=
36.8+0.8=
0.82-0.28=
5.7+10.03=
86.7+35.9=
47 49
7.3-3.78=
56.9+2.79=
35.85+8.04=
30.07+39.65=
11.83+62.7=
3.8+9.9=
54.29+27.1=
98.3-2.3=
10.7+0.93=
5.64-0.44=
1.6+68.42=
85.8-56.6=
1.4-0.14=
64.64+36.36=
40.99+61.9=
54.86-7.77=
34.9+7.08=
5.14-0.99=
7.5-4.18=
4.3+20.9=
65.3-1.75=22.1-1.88=
48 49
8.7-0.98=5.27+34.2=16.22-1.8=
49 49