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#include?

#include?

#include?

void?Menu(void)

{

printf("1,加法?2,減法?3,乘法?4,除法?5,退出\n");

printf("請選擇題目類型:");

}

int?Plus(void)

{

int?a,?b;

a?=?rand()?%?10?+?1;

b?=?rand()?%?10?+?1;

printf("%-2d?+?%-2d?=?",?a,?b);

return?a?+?b;

}

int?Sub(void)

{

int?a,?b;

a?=?rand()?%?10?+?1;

b?=?rand()?%?10?+?1;

printf("%-2d?-?%-2d?=?",?a,?b);

return?a?-?b;

}

int?Mult(void)

{

int?a,?b;

a?=?rand()?%?10?+?1;

b?=?rand()?%?10?+?1;

printf("%-2d?*?%-2d?=?",?a,?b);

return?a?*?b;

}

int?Div(void)

{

int?a,?b;

while(a?%?b?!=?0)

{

a?=?rand()?%?10?+?1;

b?=?rand()?%?10?+?1;

}

printf("%-2d?/?%-2d?=?",?a,?b);

return?a?/?b;

}

int?Subject(int?type)

{

switch(type)

{

case?1:?return?Plus();

case?2:?return?Sub();

case?3:?return?Mult();

case?4:?return?Div();

}

}

void?Do(int?type)

{

int?count?=?0,?score?=?0,?key,?answer;

while(count?

{

key?=?Subject(type);

scanf("%d",?&answer);

if(key?==?answer)

score?+=?10;

count++;

}

printf("%d\n",?score);

}

int?main(void)

{

int??type,?score;

while(1)

{

Menu();

scanf("%d",?&type);

if(type?==?5)?return?0;

Do(type);

system("pause");

system("cls");

}

}

總結

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