试题 试卷
题型:填空题 题类:常考题 难易度:普通
(2+1)(22+1)(24+1)
=(2﹣1)(2+1)(22+1)(24+1)
=(22﹣1)(22+1)(24+1)
=(24﹣1)(24+1)
=28﹣1
化简:(3+1)(32+1)(34+1)(38+1)={#blank#}1{#/blank#}.
(2)用配方法解方程:
(3)用因式分解法解方程
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