Răspuns :
a (2,3+14,5):2=
16,8=8,4
b.(1,8+3,3+5,5):3=
10,6:33,5(3)
c.(2,5+3,7+4.9+7,3):4=
18,5:4=4,625.
Succes.
16,8=8,4
b.(1,8+3,3+5,5):3=
10,6:33,5(3)
c.(2,5+3,7+4.9+7,3):4=
18,5:4=4,625.
Succes.