A.Simplify and solve.
1. 63÷7+5+2'2-6+3

2. (10+2-5)×[6'2 - (8÷4)]

3. 8 ÷ (10-9)'3×7 +4'2

4. (3+9) ÷ 6-2 × 8 ÷ 4'2

5. 36÷2+4×(4-2)

6. [10×(6+4)] ÷ (2'3-7)'2

7. (34-4) × (70÷10)

8. (8+5'2)×[(9-7)'2 ÷ 2]

9. 72 + [(8+2)×6]

10. (114 - 4) × (12÷4)+3

B.If a = 3 and b = 4,solved for the following.
1. 8× (4×3 - 8) + 10

2. (16+3) • (8+15 - 4)

3. (9+ 34 - 4) + 23 + 4

4. (43 + 35-4)+8+4

5. (10+20-3)-[11+ (16÷4)]
please pa answer uubusin kona star ko para masagot​