Question

Simplify:
1. 2463 - (435 + 1777)
2. 28 + 16 + 4- 3 x 5
192 - [8 + (16 - (15 - 5)}]
4. 49 - [23 - {15 - (13 - 4 + 2 x 2)}]
5. [12 (104 - 2) + 36 x 2] + (13 (10 + 2) - 12}
6. 270 + [180 - {16 - (50 of 4 - 12)}]
7. (23 + 49) of 25 + 15 x 15 - 13.
8. 30 - [12 - {6-(5-3-1)}]
9. 257 - [128 - {26 -(6-4-1)}]​

Answer 1

Answer:

$1. \: = \: 2463 - (435 + 1777) \\ = 2463 - 2212 \\ = 2212$

$2. \: = \: 28 + 16 + 4 - 3 \times 5 \\ =28 + 16 + 4 - 15 \\ = 48 - 15 \\ = 33$

$3. \: \: = \: 192 - (8 + (16 - 10)) \\ = 192 - (8 + 6) \\ = 192 - 14 \\ = 178$

$49 - (23 - (15 - (13 - 4 + 4) \\ 49 - (23 - (15 - (13 -8) \\ 49 - (23 - (15 - 5) \\ = 49 - (23 - 10) \\ = 49 - 3 \\ 46$

$5. \: 1297$