问题
解答题
列竖式计算下面各题.
(1)0.07×0.64=
(2)0.73×0.12=
(3)0.15×0.66=
(4)30.8×1.5=
答案
(1)0.07×0.64=0.0448;
0.64
×0.07
. 0.04 48
(2)0.73×0.12=0.0876;
0.73
×0.12
. 1 46
7 3
. 0.08 76
(3)0.15×0.66=0.099;
0.15
×0.66
. 90
9 0
. 0.09 90
(4)30.8×1.5=46.2.
3 0.8
×1.5
. 15 4 0
30 8
. 46.2 0