Question

folosind procedeul mersului invers află nr necunoscut: 2345+m+3256=7543

Answer 1

2345+m+3256=7543
2345+m=7543-3256
2345+m=4287
m=4287-2345
m=1942

Answer 2

2345+m+3256=7543

2345 + m = 7543 - 3256

2345 + m = 4287

m = 4287 - 2345

m = 1942