Question

Ina si alinau impreuna 180 lei.ina are mai mult decat alina cu 20 lei.Ce suma are fiecare
((( Cu segmente pt clasa a 3 a

Answer 1

I+A=180
I=A+20

(A+20)+A=180
2A=180-20
2A=160

Alina=80 lei
Ina=80+20=180 lei

Answer 2

l----------l alina       }
l----------l--l+20 Ina}  180 suma

1+1=2 segmente egale
180-20=160 (3 segmente egale)
160:2=80 alina
80+20=100 Ina