Question

URGENT!!!!!DAU COROANA Ex.12 (b.c) prin metoda figurativa repede dau coroana cu.schema.si.rezolvare rapid!!!!!!

Answer 1

Notam cu "x" numarul oilor si caprelor.

3 x x + x=52

4x=52

x=52:4

x=13

oi=13x3=39

capre=52-39=13

sau : 52 :4=13 capre

13x 3 =39 oi

13 + 39=52 oi si capre

C) 3 ori x +160=x

3x+x =160

4x=160

x=160:4

x=40

(160-40) :3=120:3=40 lei