27.
-9 and -9 -9+(-9)=-18
The quotient of 18 and 2 is 9 The sum of 22 and 9 is 31 31-9=22
18
18 and 1
18
6 and 3
9(2 + 3)
3 and 6, Sum, 3 + 6 = 9 Product, 3 x 6 = 18
9 18 = 9 27 =9 36 = 9 etc
(2 x 9) + (3 x 9) = 5 x 9 = 45
The only two single digit numbers that add up to 18 are 9 and 9. 9x9=18 18/9=9 therefore the answer is 9
18. 1+8=9 9x2=18