12x5/6等于2/7x56等于2/15x5等于3/8x。7x乘以5等于多少少
来源:蜘蛛抓取(WebSpider)
时间:2020-05-07 02:37
标签:
7xX5
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都是十字相乘法(1)(x+4)(x-5)(2)(x+4)(x+5)(3)(x+1)(x-3)(4)(x+3)(x+5)(5)(x-3)(x-5)(6)x?-75x+56(不能用十字相乘法)(7)7(x?-5)(8)2(x+3)(x+5)第(6)应该是...
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都是十字相乘法(1)(x+4)(x-5)(2)(x+4)(x+5)(3)(x+1)(x-3)(4)(x+3)(x+5)(5)(x-3)(x-5)(6)x?-75x+56(不能用十字相乘法)(7)7(x?-5)(8)2(x+3)(x+5)第(6)应该是...