(a/b)/(c/d)简算

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(a/b)/(c/d)简算(a/b)/(c/d)简算(a/b)/(c/d)简算(a/b)/(c/d)=(a/b*bd)/(c/d*bd)=((ad)/(bc)

(a/b)/(c/d)简算
(a/b)/(c/d)简算

(a/b)/(c/d)简算
(a/b)/(c/d)
=(a/b*bd)/(c/d*bd)
=((ad)/(bc)