Mathématiques

Question

Math résoudre les questions
Math résoudre les questions

1 Réponse

  •    1 - 3/2 × 2/9

    = 18/18 - 6/18

    = 12/18

    = 2/3

       (1 - 3/2) × 2/9

    = (2/2 - 3/2) × 2/9

    = -1/2 × 2/9

    = -2/18

    = -1/9

       7/3 - 4/3 ÷ 5/2

    =  7/3 - 4/3 × 2/5

    = 21/15 - 8/15

    = 6/15

    = 2/5