Question

Dif. a doua nr. este 157. daca se imparte primul numar la celalalt, se obtine catul 5 rest 7. Aflati numerele.

Answer 1

a-b=157
a:b=5 rest7
a=5b+7
5b+7-b=157
4b=157-7
4b=150
b=150/4
b=37,5
a=5b+7=5·37,5+7=187,5+7=194,5
a=194,5
194,5-37,5=157

Answer 2

a-b=157 a:b=5 rest7 a=5b+7 5b+7-b=157 4b=157-7 4b=150 b=150/4 b=37,5 a=5b+7 a=5·37,5+7 a=187,5+7 a=194,5