Question

Folosind procedeul mersului invers, află numerele necunoscute:

1) 2 345+m+3 256=7 543
2) n-2 108-4 325=2 436​

Answer 1

Răspuns:

1) 2345+m+3256=7543

2345+m=7543-3256

2345+m=4287

m=4287-2345

m=1942

2)n-2108-4325=2436

n-2108=2436+4325

n-2108=6761

n=6761+2108

n=8869