123 x 45 = 5,535
45 + 78 = 123
a - 45 = -78 +45 +45 = -123 a= -123
123
The expression "45 and times 1 23" seems unclear, but if you meant to multiply 45 by 123, the result is 5,535. If you meant something else, please clarify your question!
2.7333
168
123+45-67+8-9
33
123 times 8 is 984
123
5 whole times. After that, there's only enough room left in there for 3 more.
1 × 123 = 123 3 × 41 = 123