Jawaban:
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NO. 1
1) 15 + (-7) = 8 2) (-8) + (-12) = (-20) 3) 20 + (-17) = 3 4) (-50) + 35 = (-15)
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NO. 2
1) 7 = -7 2) -12 = 12 3) 25 = -25
4) -75 = 75 5) 85 = -85
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NO. 3
Rp. 250.000,00 + Rp. 100.000,00
= Rp. 350.000,00
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NO.4
5 - (-9) = 5 + 9 = 14
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NO. 5
+ 5 7 10 -10 -7
5 10 12 15 -5 -2
7 12 14 17 -3 0
10 15 17 20 0 3
-10 -5 -3 0 -20 -17
-7 -2 0 3 -17 -14
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Answer By : @mlk39
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