4
(—m2n2+5mn3-4n3)÷(4n2) 3
[(m+1)(m+8)-8]÷m
(8ab+10b)÷(4b)
(57a+21a2+15a2)÷(9a)
(42x2y-18xy2)÷(12xy)
(8xy-2y)÷y
(4xy+y)÷y
(6c2d+c2d3)÷(-c2d)
(8ma-6mb+9mc)÷m
(8m3n-7m2)÷(2m)
(10a2b2+6a3c)÷(2a2)
(17x4+9x3-3x4)÷x
(15a2b-5a2b+4ab2)÷(ab) 5a2)
(-4a2-10a2b3-2a3b3)÷(-
5
(—m2n4-4m2n3+5n4)÷(3n) 6
[(x+3)(x+6)-18]÷x
(8ab+6b)÷(2b)
(45a3+24a+12a3)÷(9a)
(36x2y+24xy)÷(9xy)
(6xy+5y)÷y
(7xy-y)÷y
(8c2d+cd4)÷(-cd)
(9ma-mb+3mc)÷m
3
(6a2b2+6ac)÷(5a)
(11ab2-6a2b-2a2b)÷(ab)
(6m3n2+9m2)÷(2m)
(12x-7x4-2x)÷x
(-2a3-9a2b2+5a3b2)÷(-3a2)
1
(—mn2+5m2n2+4n3)÷(5n2) [(m+4)(m+9)-36]÷m
7
(18ab-10b)÷(6b)
(39xy2+24xy)÷(3xy)
(4xy+4y)÷y
(7ma+7mb+mc)÷m
(57a3-27a4-12a4)÷(9a)
(8xy-2y)÷y
(8c3d2-c2d2)÷(-cd)
(3m3n2+7m3)÷(2m)
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