Question

urs+urs+urs=cal+toba urs+cal+toba=13,40lei cal+toba=?lei​

Answer 1

Răspuns:

Explicație pas cu pas:

urs+urs+urs = cal +toba

urs + (cal+toba) = 13,4 lei => urs+( urs+urs+urs) = 13,4 =>

4 x urs = 13,4 => urs =13,4:4 => urs= 3,35lei

cal+toba = 13,4-urs = 13,4 - 3,35 = 10,05 lei

Answer 2

Răspuns:

urs+urs+urs=cal+toba

3 urs=cal+toba

urs+cal+toba=13,40lei

urs+3urs=13,40

urs=13,40:4=>urs=3,35 lei

3,35+cal+toba =13,40

cal+toba =13,40-3,35

cal+toba =10,05 lei