(a平方-2a)除以(ab-2b)的值
问题描述:
(a平方-2a)除以(ab-2b)的值
答
(a²-2a)÷(ab-2b)
=a(a-2)×1/b(a-2)
=a/b
答
(a²-2a)÷(ab-2b)
=a(a-2)÷b(a-2)
=a÷b
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