(6/7-1/2)/(1/3+1/2)求简算

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(6/7-1/2)/(1/3+1/2)求简算
(6/7-1/2)/(1/3+1/2)求简算
 

(6/7-1/2)/(1/3+1/2)求简算
(6/7-1/2)÷(1/3+1/2)
=(6/7-1/2)÷(5/6)
=6/7×6/5-1/2×6/5
=36/35-3/5
=36/35-21/35
=15/35
=3/7