Question

小学一年级数字两位加减计算题

Answer 1

/*
85 - 13 =
89 - 81 =
78 - 62 =
52 - 17 =
30 + 55 =
99 - 48 =
78 + 20 =
31 - 14 =
79 + 20 =
20 + 42 =
77 - 38 =
88 - 63 =
55 + 43 =
22 - 19 =
14 + 58 =
19 + 79 =
24 + 30 =
52 - 10 =
22 + 35 =
32 + 12 =
47 - 25 =
62 - 41 =
15 + 39 =
93 - 29 =
67 - 62 =
40 - 38 =
88 - 40 =
74 - 54 =
70 - 52 =
80 - 39 =
94 - 48 =
23 + 20 =
86 - 71 =
33 - 12 =
35 - 10 =
72 - 12 =
92 - 33 =
50 - 22 =
73 - 10 =
58 - 47 =
*/

// 下面是算式生成C语言代码。
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int main() { int i,a,b,sign,n = 40;
srand((unsigned)time(NULL));
for(i = 0; i < n; ++i) {
a = rand()%90 + 10;
sign = rand()%2;
b = rand()%90 + 10;
if(sign && a + b < 100) printf("%2d + %2d = \n",a,b);
else if(sign == 0) {
if(a - b >= 0) printf("%2d - %2d = \n",a,b);
else printf("%2d - %2d = \n",b,a);
}
else --i;
}
printf("\n");
return 0;
}

Answer 2

1收起 40小学一年级数字两位加减计算题
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回答 共6条
2 小时前 xoaxa|八级
/*
85 - 13 =
89 - 81 =
78 - 62 =
52 - 17 =
30 + 55 =
99 - 48 =
78 + 20 =
31 - 14 =
79 + 20 =
20 + 42 =
77 - 38 =
88 - 63 =
55 + 43 =
22 - 19 =
14 + 58 =
19 + 79 =
24 + 30 =
52 - 10 =...

Answer 3

加法：10+10 20+20 50+50 36+36 78+98 减法：98-36 87-52 24-13 69- 32 86-47

Answer 4

85 - 13 =72
89 - 81 =8
78 - 62 =16
52 - 17 =35
30 + 55 =85
99 - 48 =51
78 + 20 =98
31 - 14 =17
79 + 20 =99
20 + 42 =62
77 - 38 =39
88 - 63 =25
55 + 43 =98
22 - 19 =3
14 + 58 =72
19 + 79 =98
24 + 30 =54
52 - 10 =2，
85 - 13 =
89 - 81 =
78 - 62 =
52 - 17 =
30 + 55 =
99 - 48 =
78 + 20 =
31 - 14 =
79 + 20 =
20 + 42 =
77 - 38 =
88 - 63 =
55 + 43 =
22 - 19 =
14 + 58 =
19 + 79 =
24 + 30 =
52 - 10 =
22 + 35 =
32 + 12 =
47 - 25 =
62 - 41 =
15 + 39 =
93 - 29 =
67 - 62 =
40 - 38 =
88 - 40 =
74 - 54 =
70 - 52 =
80 - 39 =
94 - 48 =
23 + 20 =
86 - 71 =
33 - 12 =
35 - 10 =
72 - 12 =
92 - 33 =
50 - 22 =
73 - 10 =
58 - 47 =
*/

Answer 5

40-15= 41+29= 41-23= 33-19= 33+19= 45-16= 45+16= 17+28= 53+39= 28+35= 94-16= 35-28= 53-36= 28-19= 44-16= 44+16= 38+36= 42-33= 42+33= 25+46= 46-29= 50-35= 55+35= 49+36=
55+45= 49+49= 36+36= 25+25= 48+48= 42-39= 42+39= 39+39= 45+16= 33+19= 46-29= 55+35= 42-39= 42+39= 38+36= 41-23= 40-15= 53+39= 94-16= 53-36= 44-16= 39+39= 25+25= 49+49=
45-16= 33-19= 41+29= 17+28= 28+35= 35-28= 28-9= 44+16= 43-36= 50-35= 25+46= 42-33= 55+45= 36+36= 42+39= 48+48= 45+45= 33+48= 32+48= 41-32= 18+22= 33-18= 33+18= 45+26=