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Matematika
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Pertanyaan
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1 Jawaban
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1. Jawaban Srihndy
*a+b*
1+(-6)= -5
2+7 = 9
3+8= 11
-4+9= 5
-5+(-10)= -15
*b+a*
-6+1= 5
7+2= 9
8+3= 11
9+(-4)= 5
-10+(-5)= -15
*(a+b)+c*
(1+(-6))+(-11) = -16
(2+7)+(-12) = -3
(3+8)+13 = 24
((-4)+9)+14 = 19
((-5)+(-10))+16 = 31
*a+(b+c)*
1+((-6)+(-11)) = -17
2+(7+(-12))= -7
3+(8+13)= 24
-4+(9+14)= 11
-5+(-10+16)= 1