问题 解答题
直接写得数.
4.1×0.5=7.6×2.5×4=2.1÷0.3=3.2×0.5=
3.6÷0.09=7a-0.2a+a=42÷0.6=15×0.06=
6.2×0.3=0.21÷7+3=0.56÷2.8=2.5-1.37=
答案

4.1×0.5=2.05,7.6×2.5×4=76,2.1÷0.3=7,3.2×0.5=1.6,
3.6÷0.09=40,7a-0.2a+a=7.8a,42÷0.6=70,15×0.06=0.9,
6.2×0.3=1.86,0.21÷7+3=3.03,0.56÷2.8=0.2,2.5-1.37=1.13.

判断题
判断题