Question

A. Simplify:
1. 15- {12-(4+2-5÷5)}
2. 12-{12-2(4×2-6)-4÷2×2}
3. 10+{6+7×3-(9+2-6÷2)}
4.8-23+{4+7-3}
5.6+[2-3×{2(5-4+1)}]
6.10-[2-{5-(6-4)}]
7. 5-[8-{7-(4-7-5)-(3+1)}]
8.4+[2-{8-(7-2)-1-2}]​

Answer 1

Answer:

1.8

2.8

3.29

4.-7

5.-4

6.11

7.8

8.6

Step-by-step explanation:

hope it helps u.mark me the brainliest

Answer 2

I have done it very hardly please mark me brainliest.

Step-by-step explanation:

first is,8