42.6乘0.8除以42.6乘0.8怎么简便啊??????快谁知道啊群号码是144831656知道就说给我听,谢谢,快啊

2024-12-04 06:07:43
推荐回答(1个)
回答(1):

42.6乘0.8除以42.6乘0.8
=42.6÷42.6×0.8×0.8
=1×0.8×0.8
=0.64