Question

Ex 6, va rog mult!!! Dau coronita

Answer 1

6.
copii+adulti=96
adulti=7×copii
|-----|----|-----|-----|-----|------|------|
|-----|
Impreuna ( } ) sunt 96
96÷8=12 copiii
12×7=84 adulti
84+12=96
5.
a.
5,10,15,20,25,30,35,40,45
b.40+45=85
7.
f+b+a=?
f+a=34
b+a=26
f+b=30
f+a+b+a+f+b=34+26+30
2f+2a+2b=90
2(f+b+a)=90
f+a+b=90÷2
f+a+b=45 insecte
30+a=45
a=45-30
a=15
f+15=34
f=34-15
f=19
19+b=30
b=30-19
b=11
Verificare:19+15+11=45 insecte
Sper ca te-am ajutat