Solve the following using GEMDAS or PEMDAS rule. Write your solution.
1. 3x (3+7)-42=2=
6. 36 + 12 + 4) x 4-5 =
2. (19-7) x (4 + 8) + 8 =
7. (8x5-20) + 4 =
3. 12 + 25 = 5x3 + 300 =
8.5x ( 36 = 9)- 5 =
4.72 + [(8-2) x 6]=
9.172 +15) x 4 - (625 = 5)=
5. (11 x 7 - 10) - 20 =
10.(114 - 4) x (12 + 4) + 3 =​