8.1÷0.9=
0.65÷1.3=
0.45÷3=
0.36×3=
21.9÷7.3=
0.32÷1.6=
8÷5=
8.5÷2=
3.25×0.6=
0.43×7=
6.24÷0.4=
★1.4÷0.45≈
★5.84×0.16≈
3.02×1.5=
①8(x﹣6.2)=41.6
②15.8﹣ +14.2﹣
③0.125×76+12.5%×24
④ x+ x=30
⑤
⑥