17×32×2
(601-246)÷5
579+29×18
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]
①216÷(18×6)
② × + ÷
③( - )× ×36
④125%×2.5×3.2
⑤4.67-(0.67+2.98)
⑥ ÷[2÷( - )]