a=2 b=7 c=-12 maka a+b=....? b+a=...? (a+b)+c=....? a+(b+c)=....?
Matematika
yogi410
Pertanyaan
a=2 b=7 c=-12 maka a+b=....? b+a=...? (a+b)+c=....? a+(b+c)=....?
2 Jawaban
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1. Jawaban eripane05
a+ b = b+a = 2+7 = 9
(a+b)+c = a+(b+c)= 2+7+(-12) = -3 -
2. Jawaban UNAVS
a+b = 2+7 = 9
b+a = 7+2 = 9
(a+b)+c = (2+7)+-12 = 9+(-12) = -3
a+(b+c) = 2+(7+-12) = 2+(-5) = -3