Question

Dau coroana + vot repede !!!!

Answer 1

e:10=5
e=5x10=50

d-e=250
d-50=250
d=250+50=300

c=d:10=300:10=30

b=cx3=30x3=90

axb=90
ax90=90
a=90:90=1

Answer 2

e = 50
deoarece:
e:10=5 <=> e= 5x10 = 50

d=300
deoarece
d-e=250<=> 250+50=300

c=30
deoarece
c=d:10<=> 300:10 =30

b=90
deoarece
b=c x 3 <=> 30x3=90

a= 1
deoarece
a x b= 90 <=> a= 90:90=1

Sper ca te-am ajutat;)