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efectuati ( 3/10+ 7/10 )-3/4=

Răspuns :

1)3/10=0.3
2)7/10=0.7
3)3/4=0.75
4)0.3+0.7=1-0.75=0.25
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10 supra 40 mia dat mie >> 10/10 - 3/4 amp 10/10 cu 4 si 3/4 cu 10 == 40/40 - 30/40 = 10/40