125又7/8除以(11又3/4减4又3/20加2.25减7/20)
=125又7/8除以(11+3/4-4-3/20+2+1/4-7/20)
=125又7/8除以(11-4+2+3/4+1/4-7/20-3/20)
=125又7/8除以(10-1/2)
=1007/8除以19/2
=1007/8*2/19
=53*19/8*2/19
=53/4
=13+1/4
=13又1/4
125又7/8除以(11又3/4减4又3/20加2.25减7/20)怎么做?
125又7/8除以(11又3/4减4又3/20加2.25减7/20)怎么做?
数学人气:755 ℃时间:2020-03-18 18:19:33
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