85ã(ï¼3ab)2·ï¼ï¼2ab2ï¼ï¼ 86ãx(xï¼y)+x(yï¼x)ï¼
87ã(x+2)(x+3)ï¼ 88ã(xï¼2)(x+3)ï¼
89ã(x+2)(xï¼3)ï¼ 90ã(xï¼2)(xï¼3)ï¼
91ã(3aï¼4b)(2aï¼5b) 92ã(x+2y)(xï¼2y)
93ã(5xï¼4y)(2xï¼3y) 94ã(3x+4y)(3xï¼4y)
95ã(2aï¼3b)(3a+2b) 96ã(2m+5m)(6nï¼3m)
97ã(3xï¼y)(3xï¼y) 98ã(6xï¼y)(6x+y)
99ã(2x+y)(ï¼2xï¼y) 100ã(xï¼5)(x+5)ï¼
101ã(3yï¼10)(3y+10)ï¼ 102ãï¼ ï¼5bï¼( +5b)ï¼
103ã(xy3)(xy 104ã(xï¼5)(x+5)ï¼
105ã(3yï¼10)(3y+10)ï¼ 106ãï¼ ï¼5bï¼( +5b)ï¼
107ã(xyï¼3)(xy+3)ï¼ 108ã(aï¼bc)(a+bc)ï¼
109ã(a+2b)(2bï¼a)ï¼ 110ã (3xï¼y)(y+3x)ï¼
111ã4x2ï¼(2xï¼9)(2x+9)ï¼ 112ãï¼ï¼7m+1ï¼(ï¼7mï¼1)ï¼
113ã(ï¼xï¼5)(ï¼x+5)ï¼ 114ã(x2ï¼2)(x2+2)ï¼
115ã(abï¼3)(ab+3)ï¼ 116ã(4yï¼3x)(3x+4y)ï¼
117ã(x+1)(xï¼1)ï¼x2ï¼ 118ã(3yï¼1)(3y+1)ï¼(2y+2)(2yï¼2)ï¼
119ã( aï¼ b)( a+ b)ï¼ 120ãï¼ï¼3m2+1ï¼(ï¼3m2ï¼1)ï¼
121ã(ï¼2xï¼11y)(2xï¼11y)ï¼ 122ã(4+2x)(2ï¼x)
123ã(ï¼ a2+b2)ï¼ 124ã(5xï¼2y) ï¼2+20xy.jm
125ã(aï¼2b)(a+2b)ï¼(aï¼2b)2ï¼ 126ã2x2yï¼3y2ï¼
127ãa(x+y)ï¼2(x+y)ï¼ 128ã(x+y)2ï¼3(y+x)ï¼
129ãx(xï¼y)ï¼a(yï¼x)ï¼ 130ã(a+b)ï¼a(a+b)ï¼
131ãx(aï¼b)ï¼5(aï¼b)ï¼ 132ã(xï¼y)2ï¼(xï¼y)ï¼
133ã3(2x+y)2+2(2x+y)ï¼ 134ã18x2yï¼24xy2ï¼
135ãï¼3a3b2+12b3a2ï¼ 136ãn2ï¼3n+ ï¼
137ã(xï¼5)(x+5)ï¼ 138ã(3yï¼10)(3y+10)ï¼
139ãï¼ ï¼5bï¼( +5b)ï¼ 140ã(xy3)(xy+3)ï¼38ã16m2+25ï¼40mï¼ 142ã3a2ï¼6ab+3ab2ï¼2x2yï¼3b2=________ï¼ 143ã2x2yï¼3y2
144ã(2xï¼y)2ï¼2(2xï¼y)+1ï¼ 145ãï¼2mï¼3nï¼(2nï¼5m)ï¼
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