共30题用时5分钟
2.7+0=
12.5×8=
2.3×4=
0.4×50=
3.25×0=
30×0.1=
4.1×2=
2.6×3=
0.35×0.2=
0.5×10=
7.5×0.1=
0.6×8=
2.5×2=
2.8×10=
0.7×0.8=
5.6+0.4=
4.5×2=
4.7+2.3=
0.56÷28=
0.36÷0.4=
0.86÷2=
0.75÷0.25=
0.125×8=
5.6×100=
0.02×0.5=
3.6×0.3=
0.75×100=
6×3.4=
0.62-0.32=
7.2×0.8=