Răspuns :

Pudell2020id

Răspuns:

F)11/441

G)31/125

Explicație pas cu pas:

F)1/3x49+1/7x9+1/9x49=

1/147+1/63+1/441=

1/147+7/441+1/441=

3/441+7/441+1/441=

11/441

G)1/5+1/25+1/125=

25/125+5/125+1/125=

31/125

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