这里是提两次公因式
第一次是(a+b)(5x-5y)
第二次是5(a+b)(x-y)那这道题填什么呢?我认为是所有的公因式都提出来所以是5(a+b)(x-y)
(2x-3y)(a+b)+(3x-2y)(a+b)提公因式后等于
(2x-3y)(a+b)+(3x-2y)(a+b)提公因式后等于
是等于(a+b)(5x-5y)还是5(a+b)(x-y)?
是等于(a+b)(5x-5y)还是5(a+b)(x-y)?
数学人气:552 ℃时间:2020-06-05 20:27:49
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