问题
解答题
(150-60+40)×2=(150-100)×2=100______.(判断对错)
答案
(150-60+40)×2
=(90+40)×2
=130×2
=260
260≠100
所以原题是错误的.
故答案为:×.
(150-60+40)×2=(150-100)×2=100______.(判断对错)
(150-60+40)×2
=(90+40)×2
=130×2
=260
260≠100
所以原题是错误的.
故答案为:×.