First, let's solve the operations within the parentheses:
9*5-36:6-(38-23):5 = 45 - 6 - 3 = 36
90-(40-24:3):46 = 90 - (40 - 8) : 4 6 = 90 - 32 : 4 6Now, solve the division first: 90 - 8 6 = 90 - 48 = 42
34+(27+9):45 = 12 + (36): 20 = 12 + 1.8 = 13.8
So, the final answers are:1) 362) 423) 13.8
First, let's solve the operations within the parentheses:
9*5-36:6-(38-23):5 = 45 - 6 - 3 = 36
90-(40-24:3):46 = 90 - (40 - 8) : 4 6 = 90 - 32 : 4 6
Now, solve the division first: 90 - 8 6 = 90 - 48 = 42
34+(27+9):45 = 12 + (36): 20 = 12 + 1.8 = 13.8
So, the final answers are:
1) 36
2) 42
3) 13.8