小学数学题
先选择运算,包括加法,减法乘法除法四种选项
![](https://images2015.cnblogs.com/blog/902970/201603/902970-20160313090436835-494032425.png)
1 | 选择一种运算进入做题,可以选择难易程度,简单是十以内运算,难是一百以内运算 |
![](https://images2015.cnblogs.com/blog/902970/201603/902970-20160313090706600-1490955894.png)
1 | 然后进入做题,系统会随机出题输入答案,系统会判断对错,然后又四个选项。 |
![](https://images2015.cnblogs.com/blog/902970/201603/902970-20160313090827616-1483425022.png)
![](https://images2015.cnblogs.com/blog/902970/201603/902970-20160313090920194-1226581217.png)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | 退出系统会显示做题的数量,与所得的分数<br>#include<stdlib.h> #include<stdio.h> #include<time.h> int question_get(); int type; void main() { int answer,n,score=0,number=0; loop: printf( "请选择要进行测试的题目种类:" ); printf( "\n1.加法运算\n2.减法运算\n3.乘法运算\n4.除法运算\n5.退出运算\n" ); printf( "\t\t请选择(1-5):" ); scanf( "%d" ,&type); while (type>0&&type<6) { int temp; int flag; number=number+1; answer=question_get(); lop:printf( "请回答:\n" ); scanf( "%d" ,&temp); if (temp==answer) { printf( "\n答案正确\n" ); score=score+1; } else { printf( "\n答案错误\n" ); } printf( "查看答案3,重做请按2,继续请按1,退出请按0\n" ); scanf( "%d" ,&flag); while (flag!=0&&flag!=1&&flag!=2&&flag!=3) { printf( "按其他键无效\n" ); scanf( "%d" ,&flag); } if (flag==0) { printf( "做的题目数量%d\n" ,number); printf( "得分%d\n" ,score); break ; } else { if (flag==1) goto loop; else { if (flag==2) goto lop; else if (flag==3) { printf( "正确答案%d\n" ,answer); goto loop; } } } } } int question_get() { int a,b,c; int amount; loop: if (type==1) { printf( "请选择难易程度\n" ); printf( "简单请按0,困难请按1\n" ); scanf( "%d" ,&amount); while (amount!=0&&amount!=1) { printf( "按其他键无效\n" ); scanf( "%d,&amount" ); } if (amount==0) { a=rand()%8; b=9-a; b=rand()%b; printf( "%d+%d=?" ,a,b); return (a+b); } else { a=rand()%99; b=100-a; b=rand()%b; printf( "%d+%d=?" ,a,b); return (a+b); } } else if (type==2) { printf( "请选择难易程度\n" ); printf( "简单请按0,困难请按1\n" ); scanf( "%d" ,&amount); while (amount!=0&&amount!=1) { printf( "按其他键无效\n" ); scanf( "%d,&amount" ); } if (amount==0) { a=rand()%7; b=9-a; b=rand()%b; printf( "%d-%d=?" ,a+b,b); return (a); } else { a=rand()%97; b=99-a; b=rand()%b; printf( "%d-%d=?" ,a+b,b); return (a); } } else if (type==3) { printf( "请选择难易程度\n" ); printf( "简单请按0,困难请按1\n" ); scanf( "%d" ,&amount); while (amount!=0&&amount!=1) { printf( "按其他键无效\n" ); scanf( "%d,&amount" ); } if (amount==0) { a=rand()%4; b=6-a; b=rand()%b; printf( "%d*%d=?" ,a,b); return (a*b); } else { a=rand()%18; b=20-a; b=rand()%b; printf( "%d*%d=?" ,a,b); return (a*b); } } else if (type==4) { printf( "请选择难易程度\n" ); printf( "简单请按0,困难请按1\n" ); scanf( "%d" ,&amount); while (amount!=0&&amount!=1) { printf( "按其他键无效\n" ); scanf( "%d,&amount" ); } if (amount==0) { a=rand()%4; b=6-a; b=1+rand()%b; printf( "%d/%d=?" ,a*b,b); return (a); } else { a=rand()%18; b=20-a; b=1+rand()%b; printf( "%d/%d=?" ,a*b,b); return (a); } } while (type==0&&type>5) { printf( "输入错误\n" ); printf( "请输入1-5\n" ); scanf( "%d" ,&type); goto loop; } } |
![](https://images2015.cnblogs.com/blog/902970/201603/902970-20160313091057429-1694075334.png)
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