100-0.4=
1÷9=
0.125×80=
0.86+0.4=
+ =
- =
× =
0.1÷ =
(元)
①8(x﹣6.2)=41.6
②15.8﹣ +14.2﹣
③0.125×76+12.5%×24
④ x+ x=30
⑤
⑥