64.8÷[6×(2-1.8)]能不能用简便方法?

2025-02-23 12:22:03
推荐回答(2个)
回答1:

简便计算
64.8÷[6×(2-1.8)]
=64.8÷(6x0.2)
=64.8÷6÷0.2
=10.8÷0.2
=108÷2
=54

回答2:

64.8÷[6×(2-1.8)]
=64.8÷(6×0.2)
=64.8÷1.2
=54