(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+3) 帮下忙
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(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+3)帮下忙(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+3)帮下忙(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+
(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+3) 帮下忙
(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+3) 帮下忙
(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+3) 帮下忙
(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+3)
=(7x+3x^2)/(2x+1)*(6x+3)/(7x+3)
=x(7+3x)/(2x+1)*(3(2x+1)/(7x+3))
=3x(7+3x)/(7x+3)
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(7x+3x^2)除以(2x+1)*(6x+3)除以(7x+3) 帮下忙
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*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
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