问题 解答题
口算.
2.5×0.6×0.4=
1.25×O.7×O.8=
0.1×0.2×0.3=5.4-0.4×5=
0.26×O.2×50=0.5×0.75×4=
12.5×0.1×0.8=0.4×0.1×0.25=
答案

口算.

2.5×0.6×0.4=0.6;

1.25×O.7×O.8=0.7;
0.1×0.2×0.3=0.006;5.4-0.4×5=3.4;
0.26×O.2×50=2.6;0.5×0.75×4=1.5;
12.5×0.1×0.8=1;0.4×0.1×0.25=0.01.

单项选择题
单项选择题