(9-0.6×3.2)÷1.5 简便运算

20.5-(3.64+2.8)÷0.4 3.06÷[1.8×(2.41-1.91)]
2025-04-06 07:16:36
推荐回答(2个)
回答1:

(9-0.6×3.2)÷1.5
=9÷1.5-0.6×3.2÷1.5
=6-0.4×3.2
=6-1.28
=4.72

不懂可追问,有帮助请采纳,谢谢!

回答2:

(9-0.6×3.2)÷1.5

= 9÷1.5 - 0.6÷1.5×3.2
= 6 - 0.4×3.2
= 6 - 1.28
= 4.72