零点二五乘三十九加零点二五 简便方法计算

零点二五乘三十九加零点二五简便方法计算
2025-04-24 20:13:41
推荐回答(1个)
回答1:

零点二五乘三十九加零点二五 简便方法计算
解答:
0.25x39+0.25
=0.25x(39+1)
=0.25x40
=10