① ×11- ×
② ÷
③ ×125
④ ÷7+ ×
⑤ ×
⑥3× -
① ÷ + ×
②(1- - )÷
③( + - )×12
①0.53×2.5+
②25×0.032×12.5
③ [()×]
④6.83+17.9﹣0.83+32.1
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]