Răspuns :
1.
74-16=134
134:2=67 m bucata 1
67+16=83 m bucata 2
2.
a=piesa 1
a-28=piesa 2
a-28+22=a-6=piesa 3
a+a-28+a-6=155
3a=155+34
3a=189
a=63 kg piesa 1
a-28=63-28=35 kg piesa 2
a-6=63-6=57 kg piesa 3
74-16=134
134:2=67 m bucata 1
67+16=83 m bucata 2
2.
a=piesa 1
a-28=piesa 2
a-28+22=a-6=piesa 3
a+a-28+a-6=155
3a=155+34
3a=189
a=63 kg piesa 1
a-28=63-28=35 kg piesa 2
a-6=63-6=57 kg piesa 3
2)1 piesa x+28
2piesa-x
3 piesa x+22
x+28+x+x+22=155
3x+50=155
3x=155-50
x=105/3=35kg-2 piesa
x+22=57kg -3piesa
x+28=63kg 1piesa
2piesa-x
3 piesa x+22
x+28+x+x+22=155
3x+50=155
3x=155-50
x=105/3=35kg-2 piesa
x+22=57kg -3piesa
x+28=63kg 1piesa