Question

ma puteti ajuta va rog , e de clasa a doua

Answer 1

1)a+b+c=56
6+b+20=56
26+b=56
b=56-26
b=30
b+c=30+20
b+c=50

2)a+b+c=75
a+50=75
a=75-50
a=25
a+b+c=75
25+10+c=75
c=75-35
c=40

3)a+b+c=?
12+21+32=65