It is so very simple and quick to get the answer, especially since, IF you need it, you can use the calculator that comes with your computer. But since you are obviously not able to do so, the answer is 513.
390 + 233 = 623
1812
232 + 1 = 233
144 + 134 + 124 + 114 = 516
The addition problem 44 plus 233 plus is approximately 279.
390 + 233 = 623
1812
180 plus 124 = 304
233 + 455 = 688
233 + 123 = 356
232 + 1 = 233
123 124 + 125 ------ 372
2 + 2 + 124 = 128
124 + 157 + 214 = 495
156 plus 473 plus 498 plus 204 equals 1,331.
144 + 134 + 124 + 114 = 516
The addition problem 44 plus 233 plus is approximately 279.