计算下面各题,并用乘法交换律进行验算.(1)0.49×0.8=(2)1.5×2.03=(3)7.5×0.06=

2025-05-13 19:59:54
推荐回答(1个)
回答1:

(1)0.49×0.8=0.392;


(2)1.5×2.03=3.045;


(3)7.5×0.06=0.45;