273
13+8 = 21 and 13*21 = 273
144
7+ what =63
309?
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
144
144 add the two numbers and multiply by the first 2(2 + 3) = 10 7(7 + 2) = 63 etc.
26
96
144
144
If I am correct, 9 plus 7 equals 112.
7+ what =63
309?
2 squared plus 2 x 3 = 10, 7 squared plus 7 x 2 = 63, 6 squared plus 6 x 5 = 66,8 squared plus 8 x 4 = 96 so 9 squared plus 9 x 7 = 81 + 63 = 144.
144, you add the plus numbers, then multiply it by the first.