Matematika

Pertanyaan

5a+86-9a+7
10b+8b-7ab+2b+8ab
8-2x-x+4

2 Jawaban

  • 5a+86-9a+7 = 5a-9a+86+7 = -4a+93
    10b+8b-7ab+2b+8ab = 10b+8b+2b-7ab+8ab = 20b+ab
    8-2x-x+4= -2x-x+8+4 = -3x+12
  • 》5a + 86 - 9a + 7
    》5a - 9a + 86 + 7
    》-4a + 93

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    》10b + 8b - 7ab + 2b + 8ab
    》8ab - 7ab + 10b + 8b + 2b
    》ab + 20b

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    》8 - 2x - x + 4
    》8 + 4 - 2x - x
    》12 - 3x

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