Răspuns :
a=2xd
m=8+3xd
a,d,m=?
aI------I------I
dI------I }50
mI------I-----I--------I+8I
egalam partile
50-8=42
cati lei are dan?
42:6=7
cati lei are alexia?
2x7=14
cati lei are matei?
8+3x7=8+21=29
raspuns:alexia-14;dan-7;matei-29
verificare;7+14+29=21+29= 50
m=8+3xd
a,d,m=?
aI------I------I
dI------I }50
mI------I-----I--------I+8I
egalam partile
50-8=42
cati lei are dan?
42:6=7
cati lei are alexia?
2x7=14
cati lei are matei?
8+3x7=8+21=29
raspuns:alexia-14;dan-7;matei-29
verificare;7+14+29=21+29= 50