9.9×6.4的递等式计算怎么写简便?

2025-03-25 15:02:41
推荐回答(5个)
回答1:

=(10-0.1)×6.4
=64-0.64
=63.36

回答2:

直接是(10-0.1)乘以6.4=10乘以64-0.64=64-0.64=63.36即可

回答3:

9.9x6.4
=(10-0.1)x6.4
=64-0.64
=63.36

回答4:

10乘以6.4等于64再减0.64等于63.36

回答5:

9.9x6.4
=(10-0.1)x6.4
=10ⅹ6.4-0.1ⅹ6.4
=64-0.64
=63.36