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Gherasimdenisa1
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Calculați media artimetica
a)7/2;4/3 b)5/6;7/4 c)1/6;8/9 d)4/5;9/4 e)11/14;3/4 f)8/15;7/6 g)3/8;9/10 h)1/6;9/16

Răspuns :

Danna10
a) 7.2+4/3 / 2=72/10+4/3 / 2=216+40/30 / 2=256/30 / 2=64/15
b)5/6+7/4 / 2  =10+21/1 / 2=31/24
c)1/6+8/9 / 2=9+48/54 / 2=57/54 / 2=57/108=19 / 36
d)4/5+9/4 / 2=16+45/20 / 2=61/20 / 2=61/40
e)11/14+3/4 / 2= 22+21/28 / 2=33/56
f) 8/15+7/6 / 2 =16+35/30 / 2 = 51-60
g)3/8+9/10 / 2= 15+36/40 / 2 =51/80
h)1/6+9/16 / 2=8+27/48 / 2=35/96

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