运算符计算
void main () {
int a = 13;
int b = 5;
print(a + b); //加 18
print(a - b); //减 8
print(a * b); //乘 65
print(a / b); //除 2.6
print(a % b); //其余 3
print(a ~/ b); //取整 2
}
void main () {
int a = 13;
int b = 5;
print(a + b); //加 18
print(a - b); //减 8
print(a * b); //乘 65
print(a / b); //除 2.6
print(a % b); //其余 3
print(a ~/ b); //取整 2
}