Question

Exercitiul 1 va rog mult din suflet dau coroana

Answer 1

74m -16 m=58m
58m :2=29m(a 2-a bucata)
29 m + 16 m=45m(prima bucata)

B) a+b+c=155kg
a=b +28kg
c = b + 22 kg
155-28-22= 105
105:3= 35
a=35 + 28
a= 63
c=35 + 22
c=57
b=35
a+b+c=63+57+35=155

Answer 2

a)

f=74
x=y+16
f=x+y
74=y+16+y
2y=74-16
y=29
x=45
b)

m=x+y+z=155
x=y+28
z=y+22

y+28+y+y+22=155
3y=155-50
y=105/3
y=35
x=35+28=63
z=35+22=57