6
It is 9*6 minus 7 = 47
6/7 minus 2/6 is 11/21
6 minus 6 is 0. 0 divided by 7 equals 0. It is zero.
It's hard to explain without using the word difference, but here's an example: The difference between 5 and 7 is 2. 7 minus 5 = 2
-3
A "difference" is either the result of a subtraction (the difference between 7 and 5 is 7 minus 5), or its absolute value (so that the difference between 7 and 5 is the same as the difference between 5 and 7).
19
6
Mexico City is minus 6 hours, London time.
It is 9*6 minus 7 = 47
1
difference means an answer to a subraction problem.
6/7 minus 2/6 is 11/21
The difference between 7 degrees and -8 degrees is 15 degrees. You calculate the difference by subtracting the smaller value from the larger value.
6 minus 6 is 0. 0 divided by 7 equals 0. It is zero.
6 over 7 minus 5 over 7 is 1 over 7.