Answer:
103
Step-by-step explanation:
Q6 =
3+(21-1)5 = 103
X=1
3+4=7
3x1=3
3+4 =6 so X =1
Answer:
we get 
Step-by-step explanation:
We are given: 
We need to find 
Note: Since question is not clear, I am assuming that we need to find 
Solving:

We know that 
Using formula and simplifying

So, we get 
Answer:1 1/15
Step-by-step explanation:2 2/3 minus 1 9/15 is 1 /15 because I said so.