Matematika

Pertanyaan

56+n+69=69+84+56 n=??

1 Jawaban

  • A+B+C = D+E+F
    56+n+69 = 69 + 84 + 56
    B= (D+E+F) - (A+C)
    B= (69+84+56) - (56+69)
    B= 209 - 125
    B= 84

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