6.4÷(0.3×2 0.2)的简便运算?

2025-01-13 19:28:48
推荐回答(2个)
回答(1):

命题6.4÷(0.3×2+0.2)
=6.4/(0.6+0.2)
=6.4/0.8
=8即为所求

回答(2):

6.4÷(0.3×2+ 0.2)
=6.4÷(0.6+0.2)
=6.4÷0.8
=64÷8
=8