12 + 23 + 45 + 67 + 16 + 18 + 45 = 226
45 - 78 + 67 + 1904 + 6879 = -8,883
67
54
45 + 70 ( rounding ) = 115... 67+85=
67 plus 67 plus 67 is equal to 201.
45 x 67 = 3015
There is 22 between 45 and 67.
45 x 67 = 3015
112
twice the caliper plus 2 or 67 max
45=5*3*3......and 67=??????