45/(7-2)-5+4(12/6)^2
Simplify the following:
45/(7-2)-5+4 (12/6)^2
The gcd of 12 and 6 is 6, so 12/6 = (6×2)/(6×1) = 6/6×2 = 2:
45/(7-2)-5+4×2^2
7-2 = 5:
45/5-5+4×2^2
The gcd of 45 and 5 is 5, so 45/5 = (5×9)/(5×1) = 5/5×9 = 9:
9-5+4×2^2
2^2 = 4:
9-5+4×4
4×4 = 16:
9-5+16
| 1 |
| 1 | 6
+ | | 9
| 2 | 5:
25-5
| 2 | 5
- | | 5
| 2 | 0:
Answer: |
| 20
