小学一年级数学口算题大全多道修订稿
北京师范大学珠海分校分数线-交通安全教案
小学一年级数学口算题
大全多道
Document
number【AA80KGB-AA98YT-AAT8CB-2A6UT-A18GG】
一、口算题(每天20道口算题,必须认真完成、书写认真):
50+12= 16+30=
24+60=
72+4=
40+60=
26-4=
94-74= 63-42=
58-8= 68-5=
75-23= 56+23=
31+17=
33+20= 42+25=
31+45=
71+4=
40+61=
25-4=
94-73= 63-52=
59-8= 67-5=
75-33= 56+33=
32+17=
50+13= 17+30=
25+60=
50+2=
15+30=
29+60=
72+6= 40+50=
26-2=
94-24= 63-22=
38-8= 28-5=
74-23= 53+23=
31+14=
38+20=
42+26=
31+46=
72+4= 40+67=
28-4=
94-63= 63-22=
59-4= 67-3=
75-23= 56+23=
32+16=
50+12=
14+30=
27+60=
73+5= 23+30=
70+11=
75+3= 78-7=
71+6=
32+45= 7+61=
83-20= 46-11=
90-20=
32+14= 77-23=
50+11=
30+15=
82-20= 45-11=
90-30=
33+14= 76-23=
32+46= 6+61=
33+45=
5+61=
87-20= 36-11=
90-10=
42+14= 75-23=
50+18= 30+19=
84-20=
47-11=
90-80=
35+14= 76-53=
32+47= 16+61=
50+21= 40+37=
98-6=
92+5=
51+12=
70+4=
94-70=
75-20=
16+31=
41+60=
30+45=
83-21=
70+61=
46-10=
77-20=
24+61=
26-14=
63-40=
56+20=
90-21=
58-18= 68-15=
30+14=
31+10=
33+21= 42+20= 51+11= 31+15=
31+40=
71+14= 41+61= 82-21= 45-10=
25-14=
94-70= 63-50= 92-32=
59-30= 67-15=
75-32= 56+32= 33+12= 76-22=
32+13=
51+13= 17+31= 32+45= 6+60=
25+61=
51+2= 15+31= 30+45= 15+61=
28+61=
71+6= 41+50= 84-20= 34-11=
23-2=
95-24= 64-22= 91-10=
39-8=
29-5=
75-23= 54+23= 43+14= 76-23=
32+14=
39+20= 43+26= 51+18= 31+18=
32+46=
73+4= 41+67= 85-20= 48-11=
29-4=
95-63= 64-22= 91-80=
59-5= 68-3=
76-23= 57+23= 36+14=
77-53=
33+16=
51+12= 15+30= 33+47=
17+61=
28+60=
74+5= 24+30= 51+21=
41+37=
71+11=
76+3= 79-7= 99-6=
93+5=
72+6=
61+12=
26+31= 40+45= 80+61=
34+61=
80+4=
51+60= 93-21= 56-10=
36-14=
84-70=
53-40= 80-21=
68-18= 78-15=
95-20=
66+20= 40+14= 87-20=
41+10=
43+21= 52+20= 61+11= 41+15=
51+40=
81+14= 51+61= 92-21= 55-10=
35-14=
84-70= 53-50= 82-32=
69-30= 77-15=
85-32= 46+32= 43+12= 86-22=
42+13=
61+13= 27+31= 42+45= 6+70=
35+61=
61+2= 25+31= 40+45= 25+61=
38+61=
81+6= 51+50= 94-20= 44-11=
33-2=
85-24= 74-22= 81-10=
49-8=
39-5=
85-23= 64+23= 53+14= 86-23=
42+14=
49+20= 53+26= 61+18= 41+18=
42+46=
83+4= 31+67= 95-20= 58-11=
39-4=
85-63= 54-22= 81-80=
69-5= 78-3=
86-23= 67+23= 46+14=
87-53=
43+16=
61+12= 25+30= 43+47=
27+61=
38+60=
84+5= 34+30= 61+21=
51+37=
81+11=
86+3= 69-7= 89-6=
83+5=
82+6=
52+12= 17+31= 32+45=
71+61=
25+61=
79+4=
42+60= 85-21= 47-10=
27-14=
95-70=
67-40= 91-21=
57-18= 69-15=
76-20=
55+20= 31+14= 76-20=
32+10=
34+21= 43+20= 52+11= 32+15=
32+40=
72+14= 42+61= 83-21= 46-10=
26-14=
95-70= 64-50= 94-32=
58-30= 68-15=
76-32= 57+32= 35+12= 77-22=
33+13=
52+13= 18+31= 33+45= 6+67=
26+61=
52+2= 16+31= 34+45= 16+61=
29+61=
78+6= 42+50= 85-20= 37-11=
24-2=
96-24= 65-22= 92-10=
38-8=
28-5=
76-23= 55+23= 44+14=
75-23=
33+14=
38+20= 44+26= 52+18=
32+18=
34+46=
74+4= 42+67= 86-20=
49-11=
28-4=
95-63= 65-22= 92-80=
58-5= 69-3=
77-23= 58+23=
35+14= 78-53=
34+16=
52+12= 16+30=
34+47= 18+61=
29+60=
75+5= 25+30=
52+21= 42+37=
72+11=
77+3= 78-7=
98-6= 94+5=
72+6=
12+6=
29-7=33+2= 3+40= 15+4=
23+5= 37+1=29-3=
38-3=
15-4=
18-2=
30+8=43+1=? 86+2=? 70+3=
30-2=? 72-2= 66-4=
39-2= 20-9=
53+5= 35+2=39-4=? 8+50=?
20-1=
40+6=
62+7=89-5=? 63+3=? 34-2=
50-4=? 11+2=?53-3=? 60+8=
80-7=
32+4= 26-5= 84+4=35-10= 71+9=
18-4= 66+10= 83-3=
71+5=
60-5=
36+3=? 58+30=? 28-7=? 87-10=?
80
11+9= 80-3=? 95-4=? 64+3=?
98
25+7=
62-2=? 83+5=
83+10=?
10+8=
56+20=? 64+6=? 65+3=?
15-3=
30-3=
32+6=? 29-7=35+2=? 7
3+4=
25+4=
43+5=? 87+10=? 3 9-3=?
48-30=? 95-40=
81-2= 60+8=39+10=? 76+10=?
70+30=
48-9=? 47-8=? 52-4= 43-8= 68-9=
40-2=? 27-9= 32-4= 41-2= 38-9=
50-8=?
63-9=? 37-8=? 56-20=
88-9=
75-9=?
92-3= 42-7= 71-6=? 58-10=
47-8=? 26-7=?
52-3=? 69-10=
63-5=
80-2=? 36-9=78-4=
65-8=? 99-9=
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=
45-3=
30+8= 60-7=
25+4=
36-5=84+4=
52-3=
71+9=
88-4=
76+0=93-3=
-6=
-4=
18+5= 70-5=
56+20= 64+6=?
65+3=? 15-3=? 30-3=
32+6=
29-7=35+2=
7 3+4= 25+4=
43+5=
87+10=3 9-3=? 48-30=
95-40=
81-2=
60+8=39+10= 76+10= 70+30=
48-9= 47-8= 52-4=
43-8= 68-9=
40-2= 27-9= 32-4= 41-2= 38-9=
30-2= 72-2= 66-4= 39-2=? 20-9=
53+5=
35+2=39-4= 8+50= 20-1=
40+6=
62+7=89-5=
63+3= 34-2=
50-4= 11+2= 53-3= 60+8= 80-7=
32+4= 26-5= 84+4= 35-10= 71+9=
12+6= 29-7= 33+2= 3+40= 15+4=
23+5=
37+1= 29-3= 38-3= 15-4=
18-2= 30+8= 43+1=
86+2= 70+3=
30-2= 72-2= 66-4= 39-2=
20-9=
53+5=? 35+2= 39-4= 8+50=
20-1=
12+6= 29-7= 33+2= 3+40= 15+4=
23+5= 37+1=
29-3= 38-3= 15-4=
18-2= 30+8= 43+1= 86+2=?
70+3=
30-2=? 72-2= 66-4= 39-2=
20-9=
53+5=
35+2= 39-4= 8+50=? 20-1=
40+6= 62+7= 89-5= 63+3=? 34-2=
50-4=?
11+2= 53-3= 60+8=
80-7=
32+4=
26-5= 84+4=? 35-10=71+9=
18-4= 66+10= 83-3=
71+5= 60-5=
36+3= 58+30= 28-7=?
87-10=? 80-6=
11+9= 80-3=? 95-4=?
64+3=? 98-4=
25+7= 62-2=? 83+5=
83+10=? 10+8=
56+20= 64+6=?
65+3= 15-3=
30-3=
32+6=? 29-7=
35+2= 7 3+4= 25+4=
43+5=? 87+10=? 3 9-3=
48-30=? 95-40=
81-2=? 60+8= 39+10= 76+10=
70+30=
48-9=? 47-8=? 52-4= 43-8= 68-9=
40-2=? 27-9= 32-4=
41-2=? 38-9=
50-8=? 63-9=? 37-8=? 56-20=
88-9=
75-9=? 92-3= 42-7=? 71-6=?
58-10=
47-8=? 26-7=? 52-3= 69-10=
63-5=
80-2=? 36-9=? 78-4=? 65-8=? 99-9=
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= 45-3= 30+8= 60-7=
25+4= 36-5=
84+4= 52-3= 71+9=
88-4= 76+0= 93-3= 18+5=
70-5=
56+20=? 64+6=? 65+3=? 15-3=?
30
32+6= 29-7= 35+2= 7 3+4= 25+4=
43+5= 87+10= 3 9-3= 48-30= 95-40=
81-2=
60+8= 39+10= 76+10= 70+30=
48-9= 47-8= 52-4=
43-8= 68-9=
40-2= 27-9= 32-4= 41-2= 38-9=
30-2= 72-2= 66-4= 39-2=?
20-9=
53+5=
35+2=39-4= 8+50= 20-1=
40+6=
62+7=89-5= 63+3= 34-2=
50-4= 11+2=
53-3=? 60+8=? 80-7=
32+4= 26-5= 84+4=
35-10= 71+9=
12+6= 29-7= 33+2= 3+40= 15+4=
23+5= 37+1= 29-3= 38-3= 15-4=
18-2=
30+8= 43+1= 86+2= 70+3=
30-2= 72-2=
66-4= 39-2=
20-9=
53+5= 35+2=
39-4= 8+50= 20-1=
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= 45-3=
30+8= 60-7=
-3=
25+4=
36-5= 84+4= 52-3= 71+9=
88-4= 76+0=
93-3= 18+5= 70-5=
56+20=? 64+6=? 65+3=?
15-3= 30-3=
12+6=
29-7=33+2=3+40=
15+4=
23+5=
37+1=29-3= 38-3= 15-4=
18-2= 30+8=43+1=86+2= 70+3=
30-2= 72-2=
66-4= 39-2= 20-9=53+5= 35+2= 39-4=
8+50=
20-1=40+6= 62+7= 89-5= 63+3= 34-2=
50-4=
11+2= 53-3= 60+8= 80-7=
32+4= 26-5=
84+4=35-10= 71+9=
18-4= 66+10= 83-3=71+5=?
60-5=
6+40= 45-5= 6+56= 30+9=
29+6=
58-50= 37+5= 23-20= 67-60=
40+9=
63-30= 42-2= 4+90= 20+67=
56+10=
23-6= 20+80= 51+8= 37-7=
57+30=
72-60= 68-8= 90-70= 7+50=
20+23=
50+28= 52-50= 18+30=
86-40= 40+47=
58-3= 50+38= 5+43=
68-5= 25+40=
96-90= 48+8= 58-8=
55-3= 52+30=
47-7= 66-20= 70-7=
77-9= 32+3=
90-40= 61+5=
60+30= 55-8= 7+33=
86-20= 86-40=
49+3= 56+3= 22+50=
25+20= 7+42=
17+50= 30+20= 100-30=
6+30= 88-60=
7+40= 94-6= 38+4=
100-70=
34+4= 74-70= 28+6= 7+64=
11+9=
80-3= 95-4= 64+3= 98-4=
25+7=
62-2= 83+5= 83+10= 10+8=
56+20=
64+6= 65+3= 15-3= 30-3=
32+6= 29-7= 35+2= 7 3+4= 25+4=
43+5=
87+10= 3 9-3=? 48-30=? 95-40=
81-2= 60+8=
39+10= 76+10= 70+30=
48-9= 47-8= 52-4=
43-8= 68-9=
40-2= 27-9= 32-4= 41-2=
38-9=
50-8= 63-9= 37-8= 56-20= 88-9=
75-9=
92-3= 42-7= 71-6= 58-10=
47-8= 26-7= 52-3=
69-10= 63-5=
80-2= 36-9=
78-4= 65-8= 99-9=
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= 45-3= 30+8=
60-7=
25+4= 36-5= 84+4= 52-3= 71+9=
88-4= 76+0= 93-3= 18+5= 70-5=
56+20=
64+6= 65+3= 15-3= 30-3=
12+6= 29-7=
33+2=3+40= 15+4=
23+5= 37+1= 29-3=38-3=
15-4=
18-2= 30+8= 43+1= 86+2= 70+3=
30-2= 72-2= 66-4= 39-2= 20-9=
53+5=
35+2= 39-4= 8+50= 20-1=
40+6= 62+7= 89-5=
63+3= 34-2=
50-4= 11+2= 53-3= 60+8= 80-7=
32+4= 26-5= 84+4= 35-10= 71+9=
18-4= 66+10= 83-3= 71+5= 60-5=
36+3=
58+30= 28-7= 87-10= 80-6=
32+6= 29-7=
35+2= 7 3+4= 25+4=
43+5= 87+10= 3
9-3=
48-30=
95-40=
81-2= 60+8=
39+10= 76+10= 70+30=
48-9= 47-8= 52-4= 43-8=
68-9=
40-2= 27-9= 32-4= 41-2= 38-9=
30-2= 72-2= 66-4= 39-2= 20-9=
53+5=
35+2=39-4= 8+50= 20-1=
40+6= 62+7=89-5=
63+3= 34-2=
50-4= 11+2= 53-3=? 60+8=
80-7=
32+4= 26-5= 84+4=35-10=
71+9=
12+6= 29-7= 33+2=3+40= 15+4=
23+5= 37+1= 29-3= 38-3= 15-4=
18-2= 30+8=
43+1= 86+2= 70+3=
30-2= 72-2= 66-4=
39-2= 20-9=
53+5= 35+2= 39-4= 8+50= 20-1=
45+30= 45+3= 5+41= 50+41= 6+32=
52+6= 40+47= 62+4=
27+40= 5+23=
71+5= 45+30= 69+1=
6+33= 18+70=
44+3= 5+32= 25+4=
20+35= 4+75=
3+95= 30+65= 53+20= 85+3=
4+52=
30+65=? 6+22= 16+3=
40+58=
56-30=
56-3= 89-40= 89-4= 75-30=
56-3=
29-4= 77-7=
29-20=
56-4= 63-50=
38-4= 98-3=
96-30=
39-6= 27-5=
25-4= 78-40=
80-30=
79-60= 67-3=
49-7=
26-3= 59-3=
46+30= 51+7= ?
99-50= 30-1= 55-2= 93-80=
4+74=
45-20= 76-40= 46-30= 38+40= ?
2+82=
63-30= 95-5= 86+10= 69+0= 73-40=
95-4= 70+28= 6+98=
19-6=
59-4=
20+80= 65+30= 92-50=
13+5=
36-3=
85-2= 58-30= ?
58+30= 36-30= 5+34=
65-5-50= 80-20+6=
64+80= 53+70= 12+5+50=
70-30+5=
60+4+20= 75-70+9= 80-20+15= 50+34=
6+32-30= 46-6+60= 78-8+29=
30+50+12=
39-8=
25-20+71= 54+3-5= 46+6+20= 90-50+42=
59-6=
32-2+58= 75-40-3= 22-20+50= 36+20-20=
39-7=
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= 45-3= 30+8= 60-7=
25+4=
36-5= 84+4= 52-3= 71+9=88-4= 76+0= 93-3=
18+5= 70-5=
56+20=? 64+6=? 65+3=?
15-3= 30-3=
12+6= 29-7=33+2=3+40=
15+4=
23+5= 37+1= 29-3= 38-3= 15-4=
18-2=
30+8=43+1=86+2= 70+3=
30-2= 72-2= 66-4= 39-2=
20-9=
53+5= 35+2= 39-4= 8+50= 20-1=
40+6= 62+7= 89-5= 63+3= 34-2=
50-4= 11+2=
53-3= 60+8= 80-7=32+4= 26-5= 84+4= 35-10
=
71+9=
18-4= 66+10= 83-3= 71+5= 60-5=
6+40= 45-5= 6+56= 30+9= 29+6=
58-50= 37+5= 23-20= 67-60= 40+9=
63-30= 42-2= 4+90= 20+67= 56+10=
23-6= 20+80= 51+8= 37-7=
57+30=
72-60= 68-8= 90-70= 7+50=
20+23=
50+28= 52-50= 18+30= 86-40=
40+47=
58-3= 50+38= 5+43= 68-5=
25+40=
96-90= 48+8= 58-8=
55-3= 52+30=
47-7= 66-20= 70-7=
77-9= 32+3=
90-40= 61+5= 60+30=
55-8= 7+33=
86-20= 86-40= 49+3=
56+3= 22+50=
25+20= 7+42=
17+50= 30+20= 100-30=
6+30= 88-60=
7+40= 94-6= 38+4=
100-70= 34+4=
74-70= 28+6= 7+64=
11+9= 80-3=
95-4= 64+3= 98-4=
25+7= 62-2=
83+5= 83+10= 10+8=
56+20= 64+6=
65+3= 15-3= 30-3=
32+6= 29-7=
35+2= 7 3+4= 25+4=
43+5= 87+10= 3 9-3=?
48-30=? 95-40=
81-2= 60+8= 39+10=
76+10= 70+30=
48-9= 47-8= 52-4= 43-8= 68-9=
40-2= 27-9= 32-4= 41-2= 38-9=
50-8=
63-9= 37-8= 56-20= 88-9=
75-9= 92-3= 42-7= 71-6=
58-10=
47-8= 26-7= 52-3= 69-10= 63-5=
80-2= 36-9= 78-4= 65-8= 99-9=
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= 45-3= 30+8= 60-7=
25+4= 36-5= 84+4= 52-3= 71+9=
88-4=
76+0= 93-3= 18+5= 70-5=
56+20= 64+6=
65+3= 15-3= 30-3=
12+6=29-7=
33+2=3+40=15+4=
23+5= 37+1= 29-3= 38-3=
15-4=
18-2= 30+8= 43+1= 86+2= 70+3=
30-2= 72-2= 66-4= 39-2= 20-9=
53+5= 35+2=
39-4= 8+50= 20-1=
40+6= 62+7=89-5=
63+3= 34-2=
50-4=
11+2=?53-3= 60+8=
80-7=
32+4= 26-5= 84+4= 35-10= 71+9=
18-4= 66+10= 83-3= 71+5= 60-5=
36+3=
58+30= 28-7= 87-10= 80-6=
32+6= 29-7=
35+2= 7 3+4= 25+4=
43+5= 87+10= 3 9-3=
48-30=
95-40=
81-2= 60+8= 39+10=
76+10= 70+30=
48-9= 47-8= 52-4= 43-8=
68-9=
40-2= 27-9= 32-4= 41-2= 38-9=
30-2= 72-2= 66-4= 39-2= 20-9=
53+5=
35+2=39-4= 8+50= 20-1=
40+6= 62+7= 89-5=
63+3= 34-2=
50-4=? 11+2=
53-3= 60+8=
80-7=
32+4= 26-5= 84+4= 35-10= 71+9=
12+6= 29-7= 33+2= 3+40= 15+4=
23+5=
37+1= 29-3= 38-3= 15-4=
18-2= 30+8= 43+1=
86+2= 70+3=
30-2= 72-2= 66-4= 39-2= 20-9=
53+5= 35+2=39-4= 8+50= 20-1=
16+9= 5+18= 17+3= 36+6=?29+5=
87+9=
48+8= 35+8= 4+19= 7+26= 4+37= 29+4=
19+8=
29+7= 7+38= 9+18= 40+6= 35+30=
62+8= 75+5= 23+7= 26+8= 19+60= 32+8=
16+9=
24+6=? 5+37=
44+7= 67+9=
50+8=
61+9= 85+4= 91+8= 82+5= 39+1= 46+7=
23+7= 37+4= 78+3= 27+6=
39+8=
68+5=
9+25= 85+6= 92+4= 86+2=
48+7=
39+9=
2+38= 56+8= 36+5=
35+6=
46+9=
9+25=
23+8=
46+6= 90+9= 84+7= 34+7= 56+3=
12+9= 93+3=
58+3= 75+7= 35+6= 86+8=
39+2= 27+4= 50+5=
34+9=
10+60= 9+50=
10+40= 61+10=
18+5= 74+6= 37+2= 26+5=
23+7= 47+4= 88+3=
47+6= 39+8= 68+5=
26+8= 19+6= 28+5= 53+6=
78+5= 37+9=
23+8= 89+6= 75+5= 86+6= 68+7=
87+9=
26+9= 25+6= 50+37= 49+7= 87+9=
50+8=
61+9= 85+4= 91+8= 82+5= 39+10= 46+7=
73+7= 37+4= 78+3= 27+60= 39+8= 68+5=
9+25= 35+6= 2+40= 86+2= 48+7= 39+10=
16+9= 5+18= 17+3= 36+6=
29+5=
87+9=
48+8= 35+8= 4+19= 7+26= 4+37= 29+4=
39+8= 26+7= 7+38= 6+18= 40+6= 35+30=
32+8=
25+5= 13+7= 86+8= 19+60= 32+8=
16+9=
34+6= 5+37= 14+7= 37+9= 57+8=
39+2= 27+4=
50+5= 54+9= 70+60= 39+50=
10+40= 6+10=
18+50= 74+6= 37+2= 26+50=
23+70= 47+4= 88+3=
47+6= 99+1= 68+5=
26+8= 19+60= 48+50=
23+6= 78+50= 87+9=
83+8= 19+6= 75+5= 36+6=
18+7= 47+9=
83+70= 67+40= 88+3= 47+6= 39+8=
68+5=
36+8= 19+6= 28+50= 53+6= 78+5= 17+9=
45+30= 45+3= 5+41=
50+41= 6+32=
52+6= 40+47= 62+4= 27+40=
5+23=
71+5= 45+30= 69+1= 6+33= 18+70=
44+3= 5+32= 25+4= 20+35= 4+75=
3+95= 30+65= 53+20= 85+3= 4+52=
30+65=6+22= 16+3= 40+58= 56-30=
56-3=
89-40= 89-4= 75-30= 56
-3=
29-4=
77-7= 29-20=
56-4=
63-50=
49-7= 26-3= 59-3= 67-3= 46+30=
99-50= 30-1= 55-2= 27-5= 46-30=
4+74= 51+7= 38+40= 93-80= 76-40= ?
63-30= 95-5= 86+10= 2+82=
45-20= ?
69+0= 73-40= 100-30=
59-4= 36-30=
95-4= 70+28= 6+98=
19-6= 5+34= ?
20+80= 65+30=
92-50= 13+5= 50+34=
85-2= 58-30=
58+30= 36-3= 12+5+50=
65-5-50=
80-20+6= 64+80= 53+70=
70-30+5=
60+4+20= 75-70+9= 80-20+15=
6+32-30=
46-6+60= 78-8+29= 30+50+12=
25-20+71=
54+3-5= 46+6+20= 90-50+42=
32-2+58=
75-40-3= 22-20+50= 36+20-20=