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folosind descopunerea in produs de puteri de factori primi, calculati radacina patrata 400,784,441,1764,2025,2500

Răspuns :

Ionelzxc
√400=√2⁴·5²=√2⁴·√5²=4·5=20  
√784=√2⁴·7²=√2⁴·√7²=4·7=28  
√441=√3²·7²=√3²·√7²=3·7=21
√1764=√2²·3²·7²=√2²·√3²·√7²=2·3·7=42  
√2025=√3⁴·5²=√3⁴·√5²=9·5=45  
√2500=√2²·5⁴=√2²·√5⁴=2·25=50

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