Question

Ema ,Victor si Daria au folosit pentru un experiment 217 cuburi de gheata.Ema si Victor au folosit 158 de cuburui,iar Victor si Daria144 de cuburi. Cate cuburi a folosit Fiecare copil?Rezolva in doua moduri

Answer 1

e+v+d=217cuburi
e+v=158
v+d=144

d=?
158+d=217
d=217-158
d=59 cuburi

v=?
v+59=144
v=144-59
v=85 cuburi

e=?
e+85=158
e=158-85
e=73 cuburi

verificare:

73+85+59=158+59
=217


sper ca te-am ajutat!❤