1) -×-(3*4)=+12
∴=12
2) -÷-(8÷2)=+4
∴=4
3) +×-(2×6)=-12
∵=-12
I indicated the signs to show you the relationship between them when you multiply and divide IT IS FOR YOU TO UNDERSTAND not necessary to show in the the answer paper!
Answer:
1) 12
2) 43) -12
Explanation:
1) -3 x -4 = 12 (same sign = positive)2) -8 ÷ -2 = 4 (same sign = positive)3) 2 x -6= -12 (different sign = negative)
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