#include<stdio.h> #define T 2.5 #define A(x) T*x*x void main() { int a = 1,b = 2; printf("%.1f尀n"

2025-03-01 09:37:32
推荐回答(1个)
回答1:

选A,6.5
A(a+b)=T*a+b*a+b
即A(1+2)=2.5*1+2*1+2=6.5