例4 计算2个数的和,以算式的形式显示 i include <stdio. h> void main() int value1, value2, sum; value1=5: value2=2. sum=value 1+value2. printf(%d+%d=%d In", value1, value 2, sum)计算2个数的和，以算式的形式显示 # include <stdio.h> void main( ) { int value1, value2, sum; value1=5; value2=2; sum=value1+value2; printf("%d+%d=%d \n", value1, value2, sum)； } 例4