Evaluate the following expressions. Show the step by step procedure following GEMDAS RULE.
1. 15 ÷ 3.5-4²
2. 2 [5+(30 ÷6)²]
3. (6 + 4²) + (3².4)
4. 8 [6²-3 (2 + 5) ÷8 + 3
5. 40-(4 + 6) ÷2 +5
6. 77-(1+4 -2)²
7. (4+2⁴x2)²+1
8. 2⁵ x 4+ 6÷3
9. 2³ x 4²- 15
10. 8+9x 4÷2
A. Fill in the missing number to make the equations correct.
1. ____+8×6 -12=50
2. 2+3×____=20
3. 10 +_____÷6-3+16=26
4. 24÷____+5×3+2=20
5.____÷ 2+7×5=39
6. 12-6+____×3=36
7. ____÷4-8=2
8. 11-__+14×2=32
9. 9÷3×8×2+____=21
10. ___÷ 5-7=0
B. Simplify the following expressions.
1. ( 12×5+6²)-3
2. (53-3) ÷5-4²
3. 6× (11-5)-4²
4.(11-3)²+(12÷6)
5. 12÷3+15 -14
6.10-12÷4+19
7. 20÷ 5×2-1
8. 16-10÷5+17
9.(17×17)+ (14-13)
10. (15-3) +16÷4

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