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СоколовскаяА
@СоколовскаяА
September 2021
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Как решить задачу 71 и 72
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galinaharina8
Низнаю я тупой ! )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
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СоколовскаяА
Нет эта же я тупой))
mikael2
71.
√175=√25*7=5√7 √128=√64*2=8√2 √700=√7*100=10√7
√180=√ 36*5=6√5 √3*4.41 =3√1.47 √0.0128=√128*10⁻⁴=8√2/100=0.08√2
72.
√27/32=√9*3/16*2=3/4√3/2 √28/75=√4*7/25*3=2/5√7/3
√64/99=8/√9*11=8/3√11=8√11/33
√242/225=√242/15=√121*2/15=11√2/15
√7.5/28.9=√10√2.5*3/√10√28.9=5√3/√10*√28.9=5√3/√289=5√3/17
√0.225/√16.2=√0.225*1000/√1000*16.2=15/10√162=3/2(√162)=3/2(√2*81)=
=(3/2*9)/√2=1/6√2=√2/12
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Answers & Comments
√175=√25*7=5√7 √128=√64*2=8√2 √700=√7*100=10√7
√180=√ 36*5=6√5 √3*4.41 =3√1.47 √0.0128=√128*10⁻⁴=8√2/100=0.08√2
72.
√27/32=√9*3/16*2=3/4√3/2 √28/75=√4*7/25*3=2/5√7/3
√64/99=8/√9*11=8/3√11=8√11/33
√242/225=√242/15=√121*2/15=11√2/15
√7.5/28.9=√10√2.5*3/√10√28.9=5√3/√10*√28.9=5√3/√289=5√3/17
√0.225/√16.2=√0.225*1000/√1000*16.2=15/10√162=3/2(√162)=3/2(√2*81)=
=(3/2*9)/√2=1/6√2=√2/12