tulislah invers hasil penjumlahan dari oprasi berikut a.-17+30+(-23) b.18+14+(-27) c.-9+((12+3)+(10+3)) d.(-9+5)+(-12+7)
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Jawaban:
a.
[tex]-17+30+(-23) = - 17 + 30 - 23 = 13 - 23 = - 10[/tex]
b.
[tex]18+14+(-27) = 32 - 27 = 5[/tex]
c.
[tex]-9+((12+3)+(10+3)) = - 9 + (15 + 13) = - 9 + 28 = 19[/tex]
d.
[tex](-9+5)+(-12+7) = - 4 + ( - 5) = - 9[/tex]
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