由已知变形,得
b-a=5ab
代入下式,得
(2a+3ab-2b)/(a-ab-b)
=[3ab-2(b-a)]/[-ab-(b-a)]
=[3ab-2×5ab]/[-ab-5ab]
=-7ab/(-6ab)
=7/6
因此,(2a+3ab-2b)/(a-ab-b)的值是7/6.
由已知变形,得
b-a=5ab
代入下式,得
(2a+3ab-2b)/(a-ab-b)
=[3ab-2(b-a)]/[-ab-(b-a)]
=[3ab-2×5ab]/[-ab-5ab]
=-7ab/(-6ab)
=7/6
因此,(2a+3ab-2b)/(a-ab-b)的值是7/6.