Question

Afla numarul necunoscut:

Answer 1

a:9=1 604 rest 2
a=1 604×9+2
a=14 436 + 2
a=14 438

28 346 : a = 5 rest 1
a = (28 346 -1) : 5
a = 28 345 : 5
a = 5 669

Answer 2

a:9=1.604 rest 2
a=1.604×9+2=14.436+2=14.438

28.346:a=5 rest 1
28.346=5a+1
5a=28.346-1
5a=28.345
a=28.345:5=5.669