问题
解答题
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=
答案
(1)0.49×0.8=0.392;
(2)1.5×2.03=3.045;
(3)7.5×0.06=0.45;
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=
(1)0.49×0.8=0.392;
(2)1.5×2.03=3.045;
(3)7.5×0.06=0.45;