4.25乘七点1-4点二五×5点一用简便方法。

4.25乘七点1-4点二五×5点一用简便方法。
2025-04-29 03:37:26
推荐回答(2个)
回答1:

4.25乘七点1-4点二五×5点一
=4.25x(7.1-5.1)
=4.25x2
=8.5

回答2:

4.25乘七点1-4点二五×5点一
=4.25×(7.1-5.1)
=4.25×2
=8.5