共30题用时5分钟
5.6×100=
6.3÷7=
3.6×0.3=
0.27÷0.3=
0.02×0.5=
0.65×101-0.65=
4.2÷0.7÷6=
0.4×8.6×25=
2.5×101=
73.5×0.1=
5-0.5=
2.6×7÷2.6×7=
13.16+12.3=
0.96-0.7=
0.8+0.5=
0.8-0.2=
0.06×8=
1.25+0.8=
2.4+0.06=
0.72+0.8=
2.4+16.8=
3.7+2.36=
6.2-3.8=
0.45×2.5=
0.8×1.25=
0.3×3.6=
0.3×1.4=
0.3×0.3=
0.05×7=
10×0.07=