苏教版一年级数学下册口算题
文章年龄-怎样学好高中物理
苏教版一年级数学下册口算题
65+7-60= 65-(7+13)=
74+8-80= 84+9-90= 76-8+4=
72-2= 45+9= 86-8=
96-2= 24+9=
40-2= 46-9= 43+4= 18-2= 38-8=
35+5= 85+2= 59-4= 78+10= 82-5=
64+6=
32+7= 49+5= 63+3= 84-2=
60-4= 11+20= 45-30=
30+8= 60-7=
25+40= 36-5= 84+4= 52-3= 71+9=
88+4= 76+0= 93-3= 18+5= 70-5=
56+20=
64+6= 65+30= 75-30= 30-3=
32+6= 29-7= 35+2=
73-4= 25+4=
43-5= 87+10= 39-3= 48-30= 95-40=
81-2= 60+8= 39+10= 76+10= 70+30=
48-9=
47+8= 52-4= 43+8= 68-9=
52+2-7= 53-(44+6)=
47+(10-8)= 53-50+47= 64+(30-30)=
29-20+9=
20+(55-20)= 4+66+30= 54+8-30= 6+20+30=
68-(38-30)= 9+28+20= 50-3+50= 60-(30+20)= 9+51-40=
9+(65-30)= 8+77+20= 41-41+10= 50+(43-30)=
21-3+8=
73-5= 37+0= 65+3= 16-5= 77+6=
98-4= 76-5= 22-8= 24-2= 86+3=
83+9= 97-2=
44+8= 41+8= 86-7=
85-3= 31+3= 60+7= 37-0=
17-6=
1 2
67-4= 60+7=
12-6= 14+6= 14+5=
12+60= 93-60= 34+60=
38-20= 67-50=
26+50= 47+10= 35+50= 88-10=
53-10=
66-20= 20+10= 90-70= 98-90= 46-40=
83-60= 11+60= 71-50= 50-40= 20+40=
76-60= 87-10= 97-10= 22+40= 28-20=
72-70=
57-30= 12+10= 40+40= 77-50=
80-60= 42+50=
94-10= 60-10= 70-50=
23+30= 77-70= 33+30=
98-50= 38+30=
50-40= 47-30= 75-50= 67-40=
28+50=
91-10= 65-40= 78-40= 63+30= 66-20=
51-5= 40+9= 13+2= 69-4= 16-2=
36+9=
53-0= 84+4= 40-3= 70-4=
30+8= 61-7= 44-6=
26-6= 93+6=
65+4= 87+3= 96-6= 14+4= 80-3=
53+3= 75+7= 33-4= 61+5= 32+9=
2 2
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