Matematika

Pertanyaan

a.-26+19
b.17+('24)+12
c.8+(21)-(10)
d.-7-(-14)-(-20)

1 Jawaban

  • a.-26+19 = 19 - 26 = 7

    b.17+(-24)+12 = 17 +12 - 24= 29 -24= 5

    c.8+(21)-(10) = 8 + 21 - 10 = 29 - 10= 19

    d.-7-(-14)-(-20) = -7 + 14 + 20 = 34 - 7 = 27

    notes

    + ketemu + = +

    - ketemu - = +

    + ketemu - = -

    - ketemu + = -

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