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diablo mexico df
diablo mexico df asked in Ciencias y matemáticasMatemáticas · 7 years ago

¿q fracción me falta para sumar un entero 1/2 + 3/10 +?

3 Answers

Rating
  • Vergel
    Lv 7
    7 years ago
    Favorite Answer

    1/2 + 3/10 + x = 1 ........... /* 10

    5 + 3 + 10x = 10

    10x + 8 = 10

    10x = 10 - 8

    10x = 2 ......... /: 10

    x = 2/10 =======> 2:2 / 10:2

    x = 1/5 ← Esta es la fracción que falta

    =====================================

    Source(s): Operatoria en Q
  • Hola
    7 years ago

    1/5 o 2/10

    Porque?

    1/2 + 3/10 = ?

    1/2 = 5/10

    5/10 + 3/10 = 8/10

    8 - 10 = 2 y se le agrega el numero de abajo (10)

    = 2/10 y/o 1/5

  • ?
    7 years ago

    1/5 o 2/10

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