Question 6(i)
Form expressions using t and 4. Don't use more than one operator. Every expression must have t in it.
The following expressions can be formed using t and 4:
t+4
t-4
4-t
4t
t4
(a) Form expressions using t and 4. Use not more than one number operation. Every expression must have t in it.
(b) Form expressions using y, 2 and 7. Every expression must have y in it. Use only two number operations. These should be different.