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九年级下册数学小学一年级数学口算题大全多道每天道题

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2020-11-10 15:24
tags:一年级数学口算题

2016数学暑期学校-望文生义

2020年11月10日发(作者:金史)





小学一年级数学口算题
大全多道每天道题
文档编制序号:[KK8UY-LL9IO69-TTO6M3-MTOL89-FTT688]


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= 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=
25+61=

51+2= 15+31=
28+61=

71+6= 41+50=
23-2=

95-24= 64-22=
39-8= 29-5=
32+45=
30+45=
84-20=




6+60=
15+61=
34-11=
91-10=

43+14=


76-23=

75-23= 54+23=
32+14=

39+20= 43+26=
32+46=

73+4= 41+67=
29-4=

95-63= 64-22=
59-5= 68-3=
51+18=
85-20=

31+18=
48-11=
91-80=

36+14=



77-53=

76-23= 57+23=
33+16=

51+12= 15+30=
28+60=

74+5= 24+30=
71+11=

76+3= 79-7=
72+6=

33+47=
51+21=
99-6=
17+61=
41+37=
93+5=

61+12=
34+61=

26+31= 40+45= 80+61=


80+4= 51+60= 93-21=
36-14=

84-70= 53-40= 80-21=
68-18= 78-15=

95-20= 66+20= 40+14=
41+10=

56-10=

87-20=


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=
35+61=

61+2= 25+31=
38+61=

81+6= 51+50=
33-2=

85-24= 74-22=
49-8= 39-5=
42+45=
40+45=
94-20=




6+70=
25+61=
44-11=
81-10=

53+14=


86-23=

85-23= 64+23=
42+14=

49+20= 53+26=
42+46=

83+4= 31+67=
39-4=

85-63= 54-22=
69-5= 78-3=
61+18=
95-20=

41+18=
58-11=
81-80=

46+14=



87-53=

86-23= 67+23=
43+16=

61+12= 25+30=
38+60=

84+5= 34+30=
81+11=

86+3= 69-7=
82+6=

43+47=
61+21=
89-6=
27+61=
51+37=
83+5=

52+12= 17+31=
25+61=

79+4= 42+60=
27-14=



32+45=
85-21=


71+61=
47-10=


95-70=
57-18=
76-20=
32+10=
67-40=
69-15=
55+20=
91-21=


31+14=

76-20=


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=
26+61=

52+2= 16+31=
29+61=

78+6= 42+50=
24-2=

96-24= 65-22=
38-8= 28-5=
33+45=
34+45=
85-20=




6+67=
16+61=
37-11=
92-10=

44+14=


75-23=


76-23= 55+23=
33+14=

38+20= 44+26=
34+46=

74+4= 42+67=
28-4=

95-63= 65-22=
58-5= 69-3=
52+18=
86-20=

32+18=
49-11=
92-80=

35+14=



78-53=

77-23= 58+23=
34+16=

52+12= 16+30=
29+60=

75+5= 25+30=
72+11=

77+3= 78-7=
72+6=

34+47=
52+21=
98-6=
18+61=
42+37=
94+5=

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= 30-3=
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= 30-3=
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=

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=

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=

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