Question

varog sa ma ajutati dau coroana ex 10 si 11 multumesc

Answer 1

11.(a+b+c):3=24
a+b+c=24•3
a+b+c=72
a=10
b=14
a+b=10+14
=24
c=72-24
c=48
10.(a+a+1+a+2+a+3+a+4+a+5):6
6a+15=11,5•6
6a+15=69
6a=69-15
6a=54
a=54:6
a=9
a+1=10
a+2=11
a+3=12
a+4=13
a+5=14