(-125 5/7)/(-5)-2.5+5/8*(-0.25)等于几

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(-1255/7)/(-5)-2.5+5/8*(-0.25)等于几(-1255/7)/(-5)-2.5+5/8*(-0.25)等于几(-1255/7)/(-5)-2.5+5/8*(-0.25)等于几(

(-125 5/7)/(-5)-2.5+5/8*(-0.25)等于几
(-125 5/7)/(-5)-2.5+5/8*(-0.25)等于几

(-125 5/7)/(-5)-2.5+5/8*(-0.25)等于几
(-125又5/7)/(-5)-2.5+5/8*(-0.25)
=125÷5+5/7÷5-2.5-5/32
=5又1/7-2.5-5/32
=5又1/7-2又21/32
=2又109/224