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数学二小学一年级数学口算题大全1000多道每天50道题

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2020-11-10 15:16
tags:一年级数学口算题

高中数学必修2三视图-韩山师范学院陶瓷学院

2020年11月10日发(作者:司徒亮)
一、口算题
50+12= 16+30= 32+45=
7+61= 24+60= 72+4=
40+60= 83-20= 46-11=
26-4= 94-74= 63-42=
90-20=
75-23=
77-23=
42+25=
31+45=
82-20=
94-73=
59-8=
56+33=
32+17=
32+46=
50+2=
5+61=
58-8=
56+23=
31+17=
50+11=
71+4=
45-11=
63-52=
67-5=
33+14=
50+13=
6+61=
15+30=
29+60=
68-5=
32+14=
33+20=
30+15=
40+61=
25-4=
90-30=
75-33=
76-23=
17+30=
25+60=
33+45=
72+6=








40+50= 87-20= 36-11=
26-2= 94-24= 63-22=
90-10= 38-8= 28-5=
74-23= 53+23= 42+14=
75-23= 31+14= 38+20=
42+26= 50+18= 30+19=
31+46= 72+4= 40+67=
84-20= 47-11= 28-4=
94-63= 63-22= 90-80=
59-4= 67-3= 75-23=
56+23= 35+14= 76-53=
32+16= 50+12= 14+30=
32+47= 16+61= 27+60=
73+5= 23+30= 50+21=
40+37= 70+11= 75+3=
78-7= 98-6= 92+5=
71+6= 51+12= 16+31=
30+45= 70+61= 24+61=
70+4= 41+60= 83-21=
46-10= 26-14= 94-70=
63-40= 90-21= 58-18=
68-15= 75-20= 56+20=
30+14= 77-20= 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=
53-3=
32+4= 26

35-10= 71

66+10=
60-5=
28-7=
11+9=

64+3=
62-2= 83
11+2=
60+8= 80
-5=
+9=
83-3= 71
36+3=
87-10=
80-3=
98-4=
+5=
-7=
84+4
18-4
+5=
+30=
80-6=
95-4
25+7=
83+10=

58


10+8= 56+20= 64+6=
65+3= 15-3= 30-3

32+6= 29-7= 35+2

7 3+4= 25
87+10=
30=
95-40=

39+10=
30=
48-9=

43-8=
27-9=
38-9=

+4= 43+5=
39-3= 48-

81-2= 60+8
76+10= 70+
47-8= 52-4
68-9= 40-2=
32-4= 41-2=
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=

78-4=
72-2=

96-2= 24
46-9= 43
38-8=

59-4= 78
64+6= 32

63+3=
80-2=
65-8=
45-9= 86

-9=
-4=
35+5=
+10=
+7= 49
84-2=
36-9
99-9=
-8
40-2=
18-2=
85+2
-5=
-5
60-4



82

11+20= 45-3= 30+8

60-7= 25+4= 36-5

84+4=
88-4=

18+5=
64+6=
30-3=

35+2=
43+5=
3=
48-30= 95

60+8= 39
52-3=
76+0=
70-5=
65+3=
32+6= 29
73+4=
87+10= 39
-40=
+10= 76
71+9=
93-3
+20=
15-3=
-7
25+4=

81-2
+10


56





70+30= 48-9= 47-8

52-4= 43-8= 68-9=
40-2= 27-9= 32-4

41-2=

72-2=

20-9=

39-4=
40+6=

63+3=

53-3= 60+8=

38-9=
-4= 39
53+5=
+50=
+7= 89

34-2
30-2
-2
+2
20-1=
-5

80-7=

66

35
8
62

11+2=

32+4= 26-5= 84+4

35-10= 71+9= 12+6

29-7= 33+2= 3+40=
15+4=

29-3=
18-2= 30

86+2=
72-2= 66
30-9=

39-4=
12+6= 29

3+40= 15
23+5=
38-3=
+8= 43
+3=
-4= 39
53+5= 35
8+50= 20
-7=
+4=
37+1
15-4=
+1
30-2=
-2=
+2
-1=
33+2
23+5

70



37+1= 29-3= 38-3

15-4= 18-2= 30+8

43+1=
30-2=

39-2=
35+2=

20-1=
89-5=
50-4=
60+8=

26-5=

86+2= 70+3=
72-2= 66-4

20-9= 53+5=
-4= 8+50

40+6= 62+7=
63+3= 34-2=
11+2= 53-3=
80-7= 32+4

84+4= 35-10



39



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=
98-4=
83+5=

56+20=
15-3=
29-7=
25+4=

3 9-3=
81-2=

76+10=
95-4= 64+3=
25+7= 62-2=
83+10= 10+8
64+6= 65+3=
30-3= 32+6=
35+2= 73+4=
43+5= 87+10
48-30= 95-40=
60+8= 39+10
70+30= 48-9


47-8= 52-4= 43-8

68-9= 40-2= 27-9

32-4=
50-8=
56-20= 88
92-3= 42
58-10=

52-3= 69
80-2= 36

65-8= 99
45-9=
24-9=
43-4= 18
41-2= 38-9=
63-9= 37-8=
-9= 75-9=
-7= 71-6=
47-8= 26-7

-10= 63-5=
-9= 78-4

-9= 72-2=
86-8= 96-2=
40-2= 46-9=
-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=
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

40-2=


30-2=

53+5=

40+6=

50-4=
3=

43-8= 68-9=
27-9= 32-4
41-2= 38-9=
72-2= 66-4
39-2= 20-9=
35+2= 39-4
8+50= 20-1=
62+7= 89-5
63+3= 34-2=
11+2= 53-
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

18-2=


30-2=

53+5=

72-2=

40-2=


38-3= 15-4=
30+8= 43+1
86+2= 70+3=
72-2= 66-4
39-2= 20-9=
35+2= 39-4
+50= 20-1=
45-9= 86-8
96-2= 24-9=
46-9= 43-4
18-2= 38-8=




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

53+5=

40+6=



50-4=
3=
32+4=
= 35
18-4=
= 71
39-2= 20-9=
35+2= 39-4
8+50= 20-1=
62+7= 89-5
63+3= 34-2=
11+2= 53-
60+8= 80-7=
26-5= 84+4
-10= 71+9=
66+10= 83-3
+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=
3=
81-2=
10=
48-9=
4=

40-2=

50-8=

75-9=

87+10= 3 9-
48-30= 95-40=
60+8= 39+
76+10= 70+30=
47-8= 52-
43-8= 68-9=
27-9= 32-4
41-2= 38-9=
63-9= 37-8
56-20= 88-9=
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=
75-30= 56-3=
29-4= 77-7=
56-4= 63-50=
38-4= 98-3=
39-6= 27-5=
25-4= 78-40=
79-60= 67-3=

89-4=
29-20=
96-30=
80-30=




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=
100-70= 34+4=
70= 28+6=
11+9= 80-3=
= 64+3=

25+7= 62-2=
= 83+10=
56+20= 64+6=
3= 15-3=
32+6= 29-7=
+2= 7 3+4=
43+5= 87+10=
38+4=
74-
7+64=
95-4
98-4=
83+5
+8=
65+
30-3=
35
25+4=
3 9-


10


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=
= 70+3=
30-2= 72-2
= 66-4=
= 20-9=
53+5= 35+2
= 39-4=
= 20-1=



86+2
39-2
8+50
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=
-4= 39-2= 20-9=
53+5= 35+2= 39
-4= 8+50= 20-1=


16+9= 5+18= 17+3=
6+6= 29+5= 87+9=

48+8= 35+8= 4+19=
+26= 4+37= 29+4=

3
7
66
19+8= 29+7= 7+38= 9
+18= 40+6= 35+30=

62+8= 75+5= 23+7= 2
6+8= 19+60= 32+8=


16+9=
4+7=

61+9=
2+5=

23+7=
7+6=

9+25=
6+2=
24+6=
67+9=
85+4=
39+1=
37+4=
39+8=
85+6=
48+7=
50+8=
91+8=
46+7=
78+3=
68+5=
92+4=
39+9=
4
8
2
8
5+37=




2+38= 56+8= 36+5= 35
+6= 46+9= 9+25=

23+8=
+7=

12+9=
5+7=

39+2=
4+9=


10+40=
6=

46+6=
34+7=
93+3=
35+6=
27+4=
10+60=
61+10=
90+9=
56+3=
58+3=
86+8=
50+5=
9+50=
18+5=
26+5=
84
7
3

74+
37+2=
23+7= 47+4= 88+3= 4
7+6= 39+8= 68+5=

26+8= 19+6= 28+5= 53+
6= 78+5= 37+9=

23+8=
6=




26+9=
+7=

61+9=
2+5=

89+6=
68+7=
25+6=
87+9=
85+4=
39+10=
75+5=
87+9=
50+37=
50+8=
91+8=
46+7=
86+
49
8
73+7= 37+4= 78+3= 2
7+60= 39+8= 68+5=

9+25= 35+6= 2+40= 86
+2= 48+7= 39+10=


16+9=
6+6= 29+5=

48+8=
+26=

39+8=
18=

32+8=
+8=
5+18=
35+8=
4+37=
26+7=
40+6=
25+5=
19+60=
17+3=
87+9=
4+19=
29+4=
7+38=
35+30=
32+8=
3
7
6+
86

13+7=


16+9= 34+6= 5+37= 14+
7= 37+9= 57+8=

39+2=
4+9=

10+40=
6=

23+70=
47+6=


26+8=
3+6=

27+4=
6+10=
37+2=
47+4=
99+1=
19+60=
78+50=
50+5=
39+50=
18+50=
26+50=
88+3=
68+5=
48+50=
87+9=
5
2
70+60=
74+
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=
+6=

45+30=
50+41=
52+6=
27+40=
71+5=
6+33=
44+3=
20+35=

19+6= 28+50=
78+5= 17+9=
45+3= 5+41=
6+32=
40+47= 62+4=
5+23=
45+30= 69+1=
18+70=
5+32= 25+4=
4+75=

53
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=
29-4=
56-4=

49-7=
67-3=
99-50=
27-5=
4+74=
93-80=
63-30=
2+82=

56-3=

63-50=
26-3=
46+30=
30-1=
46-30=
51+7=
76-40=
95-5=
45-20=
29-20=
59-3=
55-2=
38+40=

86+10=
77-7=





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=
85-2=
36-3=

65-5-50=
4+80=
70-30+5=
5-70+9=
6+32-30=
8-8+29=
25-20+71=
6+6+20=
32-2+58=
50+34=
58-30= 58+30=
12+5+50=
80-20+6= 6
53+70=
60+4+20= 7
80-20+15=
46-6+60= 7
30+50+12=
54+3-5= 4
90-50+42=
75-40-3= 22


-20+50= 36+20-20=

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