Răspuns :

Pestisorauriu62id

Răspuns:

1/4+5/4=6/4=3/2=1,5

2/10(2 (se simplifica cu 2) +1/5=1/5=2/5=0,4

14/30:15/7 => 14/30×7/15=98/450(2=49/225=0,22

20/35:10/7 => 20/35×7/10=140/350=14/35=0,4

4,25+18,36=22,61

39, 25-14,3=24,95

12, 74:5=2,55

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