0.98×25 用简便方法计算

0.98×25 用简便方法计算
2025-04-16 05:38:17
推荐回答(2个)
回答1:

0.98×25的简便方法
0.98×25
=(0.98+0.02)×25-0.02×25
=1×25-0.5
=25-0.5
=24.5

回答2:

0.98×25
=(1-0.02)×25
=1×25-0.02×25
=25-0.5
=24.5