приведите дроби к наименьшему общему знаменателю 1/6, 5/24 1/12 и 19/30. Created by mashaLUSY. matematika-ru

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приведите дроби к наименьшему общему знаменателю 1/6, 5/24 1/12 и 19/30

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ayl0901Ayl 6=6*1
12=6*2
24=6*4=6*2*2
30=6*5

НОК(6,12,24,30)=6*4*5=120

1/6=(1*20)/(6*20)=20/120
5/24=(5*5)/(24*5)=25/120
1/12=(1*10)/(12*10)=10/120
19/30=(19*4)/(30*4)=76/120

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vychislite a 100190 b 300 200 v 180 80 g 350 570 d 395 551 e 190

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