Matematika

Pertanyaan

..........................mohon dibantu y
..........................mohon dibantu y

1 Jawaban

  • 1. - 30 - (-15) = - 30 + 15 = - 15

    2. - 32 : 4 + (- 10) x = ? (dikali berapa ini)

    3. - 25 x 2 + ( - 35) x 4 = - 100 + (-140) = - 240

    4. 28 + (-4) x 6 : (-2) = 28 + (-24) : ( - 2) = 28 + 12 = 30

    5. - 10 + ( -12) : 4 - ( - 2) x 5 = - 10 + (-12) : 4 + 2 x 5 = -10 + (-3) + 10 =        - 13 + 10 = - 3