Question

Tolong dijawab dengan benar ​

Answer 1

1. a+b= 1 + (-6)= -5

b+a= -6 +1= -5

(a+b) + c= (1 + (-6)) + (-11)= -5 - 11= -16

2. a+b= 2 + 7= 9

b+a= 7 + 2= 9

(a+b) + c= (2+7) + (-12)= 9 - 12= -3

3. a+b= 3 + 8= 11

b+a= 8 + 3= 11

(a+b) + c= (3+8) + 13= 11 + 13= 24

4. a+b= -4 + 9= 5

b+a= 9 + (-4)= 5

(a+b) + c= (-4+9) + 14= 5 + 14= 19

5. a+b= -5 + (-10)= -15

b+a= -10 + (-5)= -15

(a+b) + c= (-5+(-10)) + 16= -15 + 16= 1

semoga bermanfaat dan jadikan jawaban terbaik ya:))