105.7*0.25-5.7/4怎样简算急

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105.7*0.25-5.7/4怎样简算急105.7*0.25-5.7/4怎样简算急105.7*0.25-5.7/4怎样简算急105.7*0.25-5.7/4=100×0.25+5.7×0.25-5.

105.7*0.25-5.7/4怎样简算急
105.7*0.25-5.7/4怎样简算

105.7*0.25-5.7/4怎样简算急
105.7*0.25-5.7/4
=100×0.25+5.7×0.25-5.7×0.25
=25

(105.7-5.7)/4=25

0.25就是1/4啊
(105.7-5.7)/4=25