35
63 plus 47 plus 42 plus 21 is equal to 173.
7+ what =63
144, you add the plus numbers, then multiply it by the first.
144, you add the plus numbers, then multiply it by the first.
144
35
144
144
63 plus 47 plus 42 plus 21 is equal to 173.
9 plus 7 equals 144. Generally, x plus y = x(x+y).
144
144 add the two numbers and multiply by the first 2(2 + 3) = 10 7(7 + 2) = 63 etc.
144 This works if you first add the two digits (ex. 2+3=5), then multiply the first digit by the answer you got (2+5=10).
26
96
If I am correct, 9 plus 7 equals 112.