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a fost răspuns

CALCULATI MEDIA ARITMETICA A NUMERELOR:
1 SUPRA 3
1 SUPRA 4
1 SUPRA 6
1 SUPRA 12

D) 0,25
0,5
0,75
1
1,25

E) 2
3,3
2 SUPRA 3

(clasa a 5 a)

Răspuns :

Panda173
(1/3+1/4+1/6+1/12)÷4= (4/12+3/12+2/12+1/12) ÷4= 10/12÷4= 10/12×1/4=10/48=5/24
(0,25+0,5+0,75+1+1,25)÷5=3,30÷5=0,66
(2/1+33/10+2/3)÷3=(60/30+99/30+20/30)÷3=179/30÷3=179/30×1/3=179/90

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