问题 解答题
直接写得数.
4.2×0.1=8÷0.01=0.25×4=26÷4=
4.2÷2=0.6×4=0.36÷3=0.1×3.5=
2÷0.5=8.9÷0.l=0.6×4=21÷0.7=
答案

4.2×0.1=0.42,8÷0.01=800,0.25×4=1,26÷4=6.5,
4.2÷2=2.1,0.6×4=2.4,0.36÷3=0.12,0.1×3.5=0.35,
2÷0.5=4,8.9÷0.l=89,0.6×4=2.4,21÷0.7=30.

单项选择题
单项选择题