Mathématiques

Question

(+12.8)-(-7,2)
(-4.08} -(-2.15)
(-2.15} -(-9.7)
(-38.5)-(+12.7)
(-102.8)-(+17.2)​

1 Réponse

  • Réponse:

    12.8 + 7,2= 20

    -4.08 + 2.15 = -1,93

    -2.15 + 9.7 = 7,55

    -38.5 - 12.7 = -51,2

    -102.8 - 17.2 = -120

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