(156-89)×(17 +25)的简便运算?

2024-12-28 10:56:35
推荐回答(5个)
回答1:

(156-89)×(17+25)
=67x42
=67x3x14
=201x14
=(200+1)x14
=2800+14
=2814

回答2:

如下图

回答3:

(156-89)×(17+25)
= (156-90+1)×42
= (66+1)×42
= (60+7)×42
= 42×60+42×7
= 2520 + 294
= 2814

回答4:

回答5:

(156-89)×(17 +25)的简便运算?
(156-89)×(17 +25)
=67*42
=2814