A.0 B.1 C.变量不存在 D.随机值
A.8 B.8.0000000000000000 C.9 D.9.0000000000000000
A.please input two numbers:的前面 B.please input two numbers:的后面 C.please input two numbers:的下一行首列 D.不确定
A.0 B.3 C.5 D.不确定
A.8 B.8.0(小数位数由编译器决定) C.9 D.9.0(小数位数由编译器决定)