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Partea intreaga a numarului: 1/√50 -7 ?

Răspuns :

Vassy
1/(√50-7)=(√50+7)/(√50+7)(√50-7)=√50+7)/(√50)^2-7^2=√50+7/50-49=√50+7
7=√49<√50<√64=8
7<√50<8
7+7<√50+7<8+7
14<√50+7<15
[√50+7]=14
1/(√50-7)=(√50+7)/(√50+7)(√50-7)=√50+7)/(√50)^2-7^2=√50+7/50-49=√50+7
7=√49<√50<√64=8
7<√50<8 
7+7<√50+7<8+7
14<√50+7<15
[√50+7]=14.
sper ca te-am ajutat :3