10a-5ax-5ay+2x-y toán 8

10a-5ax-5ay+2x-y toán 8

0 thoughts on “10a-5ax-5ay+2x-y toán 8”

  1. 10ax – 5ax – 5ay + 2x – y

    = ( 10ax -5ax ) – ( 5ay + y ) + 2x

    = (5ax +2x) – ( 5ay + y )

    = x(5a + 2)- y(5a – y)

    Đề như này mới ra nha

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