Matematika

Pertanyaan

U2+U5+U20= 54 U9=
tolong dijawab penting

1 Jawaban

  • U2 + U5 + U20 = 54
    (a + b) + (a + 4b) + (a + 19b) = 54
    3a + 24b = 54
    a + 8b = 18

    U9 = a + 8b = 18

    semoga membantu :)

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