1.2÷(9.6÷2.4)×2.5的简便算法是?

题目

1.2÷(9.6÷2.4)×2.5的简便算法是?

答案

1.2÷(9.6÷2.4)×2.5
=1.2×2.5÷(9.6÷2.4)
=0.3×（4×2.5）÷4
=0.3×10÷4
=0.75
有些牵强!直接算就很好!