0.(简算)

问题描述:

0.(简算)
还有一些简算:2.7除以4除以0.27

0.77除以35
=0.7/35+0.07/35
=0.02+0.002
=0.022
2.7除以4除以0.27
=2.7/0.27/4
=10/4
=2.5