Answer:
I think like expressions you use x or y or such many variables. you use - or + too. like (x+2)y there are parentheses too.
Answer:
1060000
Step-by-step explanation:
just calculation does the job
Answer:
176
Step-by-step explanation:

Answer: 1/2x6=3 not 1/2x5 which equals 2 1/2.