己知a3+b3=35,a2b-ab2=-6,求(a3-b3-3)+(3ab2-a2b)-2(ab2-b3+5)

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己知a3+b3=35,a2b-ab2=-6,求(a3-b3-3)+(3ab2-a2b)-2(ab2-b3+5)

己知a3+b3=35,a2b-ab2=-6,求(a3-b3-3)+(3ab2-a2b)-2(ab2-b3+5)
己知a3+b3=35,a2b-ab2=-6,求(a3-b3-3)+(3ab2-a2b)-2(ab2-b3+5)

己知a3+b3=35,a2b-ab2=-6,求(a3-b3-3)+(3ab2-a2b)-2(ab2-b3+5)
化简
(a3-b3-3)+(3ab2-a2b)-2(ab2-b3+5)
=a3-b3-3+3ab2-a2b-2ab2+2b3-10
=a3+b3+ab2-a2b-13
=a3+b3-(a2b-ab2)-13
=35+6-13
=28

不懂

16