Răspunsuri

2014-05-06T13:53:24+03:00
A+b+c=75
a=4b
c= 2b+ 19
4b+b+2b+19=75
7b=75-19
7b=56
b=56:7
b=8

a= 4 x 8 =32
c= 2 x 8 +19= 35
STI PE CINEVA DE LA BARSANESCU DE CLASA A 4-a
2014-05-06T14:06:39+03:00

a+b+c=75
a=bx4
b=a impartit la 4

c=2b+19

bx4+b+2b+19=75

7b+19=75

7b=75-19

7b=56

b=8

a=32

c=16+19

c=35