=-(1.57*2*35.2+1.57*4*23.3+1.57*36.4)=-1.57*(70.4+93.2+36.4)=-1.57*200=-314
初一有理数,用简便方法计算,-8.14x35.2+6.28x(-23.3)-1.57x36.4一定要简便方法哦,不好意思
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-3.14X35.2+6.28X(-23.3)-1.57X36.4=?