125
100 minus 45 x 5 is equal to -125.
125, and it would have been quicker and easier to do it on your calculator.
223 minus 159 is 64.
159
The difference is 363 minus 159 = 204
10.5 kilograms minus 125 grams = -114.5
-123 - 36 = -159
306 - 147 = 159
400 - 125 = 275
279 - 125 = 154
125 - 87 = 38