()/8=3/()=1/4=()除以24

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()/8=3/()=1/4=()除以24
()/8=3/()=1/4=()除以24

()/8=3/()=1/4=()除以24
[1又1/4-(3/8+1/6-3/4)乘以24]除以5
=[5/4-3/8*24-1/6*24+3/4*24]/5
=(5/4-9-4+18)*1/5
=(5/4+5)*1/5
=5/4*1/5+5*1/5
=1/4+1
=5/4