Răspuns :
ex5
m.a=(14+17+21+19+17+18+20):7 =(52+19+55):7=126:7= 18° C
ex 6
x-primul nr
y-al 2-lea nr
m.a=(x+y):2=16
x=20
(20+y):2=16 | ·2
20+y=32
y=32-20
y=12
m.a=(14+17+21+19+17+18+20):7 =(52+19+55):7=126:7= 18° C
ex 6
x-primul nr
y-al 2-lea nr
m.a=(x+y):2=16
x=20
(20+y):2=16 | ·2
20+y=32
y=32-20
y=12