小学生计算机辅助教学系统，编写一个程序来帮助小学生们学习乘法，让计算机随机产生10道10以内的乘法题目

#include<stdio.h>如友

#include<stdlib.h>

void main(void)

{

int a,b//两个乘族橡渗数

int c //学生输兆脊入的答案

while(true)

{

a = rand() % 10 + 1

b = rand() % 10 + 1

printf("%d * %d = ?\n", a, b)

scanf("%d", &c)

if(c == a * b)

{

printf("Right!\n")

}

else

{

//再给三次机会

int chance = 3

while(chance >0)

{

printf("Wrong! Please try again.\n")

scanf("%d", &c)

if(c == a * b)

{

printf("Right!\n")

break

}

chance --

}

//三次都不对，程序结束

if(chance == 0)

{

printf("Wrong! You have tried three times! Test over!\n")

return

}

}

}

}

class Program

{

static void Main(string[] args)

{

string questFormat = "How much is {0} times {1}?"

string rightStr = "皮亮Very good! Excel lent! Nice work! Keep up the good work!"

string[] wrongStr = new string[] { "No, Please try again."配闷, "Wrong, Try once more.", "Don’t give up!"燃卖宽, "No, Keep trying." }

Random random = new Random()

while (true)

{

int a = random.Next(0, 10)

int b = random.Next(0, 10)

int c = 0

while (true)

{

Console.WriteLine(questFormat, a, b)

if (int.TryParse(Console.ReadLine(), out c))

{

if (c == a * b)

{

Console.WriteLine(rightStr)

break

}

}

Console.WriteLine(wrongStr[random.Next(0, 4)])

}

}

}

}

Qbasic:

Randomize Timer

INPUT "N="N

For i = 1 To N

k = Int(Rnd * 4)

Select Case k

Case 0:

a = Int(Rnd * 11)

b = Int(Rnd * 11)

e$ = "友迅+"

c = a + b

Case 1:

c = Int(Rnd * 11)

b = Int(Rnd * 11)

e$ = "-"

a = b + c

Case 2:

a = Int(Rnd * 10)

b = Int(Rnd * 10)

e$ = "*"

c = a * b

Case 3:

c = Int(Rnd * 10)

b = Int(Rnd * 9) + 1

e$ = "/"

a = b * c

End Select

Print ae$b"拆汪="

INPUT d

If c = d Then

Print "right!"

Else

Print "Wrong!"旅告仔

End If

Next i

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