0.25乘八点四怎样简便计算

0.25乘八点四怎样简便计算
2024-11-25 06:34:05
推荐回答(2个)
回答1:

0.25×8.4
=0.25×(8+0.4)
=0.25×8+0.25×0.4
=2+0.1
=2.1

回答2:

0.25x8.4
=0.25x8 +0.25x0.04
=2+0.01
=2.01