I am confused about the define ...I am overbroad!!

Question

The question is that why the answer is 10,not 15,I think 3*5=15,I am stuck ..in that question..
https://code.sololearn.com/ctY12No470ci/?ref=app

Answer 1

#define poj(i,j) i*j
i = 3+2
j = 4-1
i*j => 3+2*4-1 = 10

#define poj(i,j) (i)*(j)
(i)*(j) => (3+2)*(4-1) = 15

Answer 2

Thanks a lot!!!!

Answer 3

define的函数式直接运算，不会算好值再带入进去。(｡･ω･｡)ﾉ♡
Please in English

Answer 4

Please in English
Мой английский очень плохой.

Answer 5

English bad but Russian good?

Answer 6

It is easy

Answer 7

define的函数式直接运算，不会算好值再带入进去。(｡･ω･｡)ﾉ♡

Answer 8

daLao ，can man make a friend？