Question

Exercise 3.5
1. Find the answer by simplification
(a) 3+ 7 - 2 x 10 + 20 - 2-3 + 6
(c) 8 - 2 + 3 5 - 10 - 45 = 9
(e) 8 + 4 x 2 +1-8-2
(g) 11 + 2 x 4-6-2
2. Simplify the following,
(a) 10 + 5 x 200 - 25 – 5 of 10
(c) 1 + 1x1-1-1*(1 + 1 - 1)
(e) 7240 = 2 of 181 x 4 – 50
(g) (6 + 8) - (44 – 16) = 2​

Answer 1

3+7-20+20-2-3+6

10-0-2-3+6

10-5+6

5+6=11

I hope it will help you