问题 解答题
直接写得数.
0.6×0.5=6.8÷2=0.4×0.25=3.8÷1.9=
1-0.25=4÷0.2=0.12×100=7.5+2.07=
答案

0.6×0.5=0.3,6.8÷2=3.4,0.4×0.25=0.13.8÷1.9=2,
1-0.25=0.75,4÷0.2=20,0.12×100=12,7.5+2.07=9.57,

问答题 简答题
单项选择题