“12.4×0.83 8.3×1.76”脱式简便方法?

2025-04-17 05:17:39
推荐回答(1个)
回答1:

脱式简便计算过程方法如下
解:12.4×0.83+8.3×1.76
=12.4×0.83+0.83×17.6
=0.83×(12.4+17.6)
=0.83×30
=24.9