40+63÷9 80-(64-8) 9×7-26 6×4÷8
①53-24+38
②36+6×8
③(82-18)÷8
④90-45+30
8×(45-38) 88-(46-18) 63÷(44-35)
①8(x﹣6.2)=41.6
②15.8﹣ +14.2﹣
③0.125×76+12.5%×24
④ x+ x=30
⑤
⑥