共30题用时5分钟
2.5÷0.005=
0.36÷0.0006=
46÷0.0023=
6.3÷21=
7.5÷2=
8.4÷0.0084=
9.8÷0.7=
8.6÷0.0043=
1.28÷3.2=
4.6÷0.023=
39÷0.0003=
0.009÷0.005=
0.29÷2.9=
0.1-0.047=
13.5×0.98=
9.5×99=
63+124+76=
18.63÷0.03=
0.00125÷50=
5.05÷0.5=
133÷.0007=
123000÷1.23=
7.09×10.8=
0.8×7.09=
492÷0.004=
0.57÷19=
4.329÷6=
760÷0.008=
3.4×0.2=
5.6÷700=