Mathématiques

Question

Au secours c des fractions

1 + 3/2 =
2+1/3 =
1+3/4 =

2 Réponse

  • 1 + 3/2 = 1 x 2 / 1 x 2 + 3/2 = 2/2 + 3/2 = 5/2

    2 + 1/3 = 2 x 3 / 1 x 3 + 1/3 = 6/3 + 1/3 = 7/3

    1 + 3/4 = 1 x 4 / 1 x 4 + 3/4 = 4/4 + 3/4 = 7/4

  • 1 + 3/2 =2/2+3/2=5/2
    2+1/3 =6/3+1/3=7/3
    1+3/4 =
    4/4+3/4=7/4

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