(1)(x-1)=3 (2)x-8x=0 (3)x-2x=4 (4)(2x+3)(2x-3)=16 (5)3x-5x+1=0
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(1)(x-1)=3 (2)x-8x=0 (3)x-2x=4 (4)(2x+3)(2x-3)=16 (5)3x-5x+1=0
(1)(x-1)=3 (2)x-8x=0 (3)x-2x=4 (4)(2x+3)(2x-3)=16 (5)3x-5x+1=0
(1)(x-1)=3 (2)x-8x=0 (3)x-2x=4 (4)(2x+3)(2x-3)=16 (5)3x-5x+1=0
在另一个问题里回答了...如果另一个问题不是你的,完全一样的题目.