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a fost răspuns

Calculati:
7√3-√12

√8+5√2

√48-√12

√8+√32-√50

Răspuns :

Blekydeea
7√3 - √12 = 7√3 - 2√3 = 5√3.


√8 + 5√2 = 2√2 + 5√2 = 7√2.


√48 - √12 = 4√3 - 2√3 = 2√3.


√8 + √32 - √50 = 2√2 + 4√2 - 5√2 = 6√2 - 5√2 = √2.





I hope I helped you :)
Clothos
7√3-√12=7√3-2√3=5√3
√8+5√2=2√2+5√2=7√2
√48-√12=√(16·3)-√(4·3)=4√3-2√3=2√3
√8+√32-√50=2√2+√(16·2)-√(25·2)=2√2+4√2-5√2=6√2-5√2=√2

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