0.15×1.6=×4=
1.7×0.681.7÷0.68 1.7÷0.681.7÷6.8
A.
B.
C.
D.
1.25×32=
0.6×0.1=
1.5a+a=
7.5-0.15=
0.56×0.7+0.56×0.7=
0.22=
8.4÷0.21=
1.5÷0.01=
2.7×4.05=
1.332÷0.37=
3.8÷0.42≈(保留到百分位)
7.5×10.1
(29.4-16.8÷2.1)×0.25
5.6×1.25×0.7
9.2×5.5+0.45×92
6(x-8)=8.4 5x-1.2×0.5=6.6