Question

VA ROOG EX 2 DAU COROANA​

Answer 1

Răspuns:

I=Ioana

A=Alin

M=Maria

I+A+M=150

A=3×I

M=3+A

I+3×I+3+3×l=150

7×l=147

l=21 lei Ioana

A=3×21

A=63 lei Alin

Answer 2

Răspuns:

1.150-3=147suma fără surplus

2.147:7=21lei_are ioana

3.21x3=63lei_are Alin

4.63+3=66lei_are Maria

verificare: 63+66+21=150

Răspuns: 63lei are Alin