1.25×2.8×8
1.86×4.3+1.86×5.7
8.5×3.7+85×0.63
①8(x﹣6.2)=41.6
②15.8﹣ +14.2﹣
③0.125×76+12.5%×24
④ x+ x=30
⑤
⑥
①216÷(18×6)
② × + ÷
③( - )× ×36
④125%×2.5×3.2
⑤4.67-(0.67+2.98)
⑥ ÷[2÷( - )]
①
②36×()
③
④
⑤3.24×0.76+3.24×0.24