Question

fie a =
$\frac{1}{2} + 1 \times \frac{1}{3} - 0.(6)$
b=
$\frac{5}{6} - 0.(2) \div 0.(6)$
calculati media aritmetica a celor 2 nr .REPEDE ​

Answer 1

Răspuns:

a=1/2+1/3-6/9

a=1/2+1/3-2/3 aducem la acelasi numitor comun

a=3/6+2/6-4/6

a=1/6

b=5/6-2/10:6/10

b=5/6-1/5:3/5

b=5/6-1/5·5/3

b=5/6-1/3

b=5/6-2/6

b=3/6

Ma=(1/6+3/6)/2=1/3=0,(3)