共30题用时5分钟

0.8×25=

4×0.24＋0.24=

10÷2.5×4=

2.5×4=

6.3÷0.5÷2=

1.8÷0.6÷0.3=

1.5＋1.5×4=

7.2÷0.12=

（1.5－0.5）×0.8=

1÷4÷8÷0.25=

25.25×6.4×4÷0.64=

1.25×32×2.5=

2.2×0.6÷2.2×0.6=

8.6×45＋8.6×55=

（9.2－9.2）÷0.39=

4.9÷0.01=

0÷3.66=

0.7×0.3÷0.7×0.3=

0.03×0.4=

12.8÷0.4=

0.25×0.04=

0.25×0.8=

0.88÷0.4=

8.4÷0.01=

4.4×2.5=

7.4÷0.5=

2.7÷3=

0.32÷0.8=

0.72÷8=

1.25÷2.5=