sava
439 + 71 = 510
520.
439 + 71 = 439 + 1 + 70 = 440 + 70 = 510. Who needs a ball park estimate when the exact answer is just as easy to find?
nothing at all
210
439 + 746 = 1185
87794 + 39357 + 180 + 439 = 127,770
A:879
71 plus 23 plus 49 is equal to 143.
680 + 440 = 1120
The sum of 7 plus 71 is 77.
31.3571