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Светик2608
@Светик2608
August 2022
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Помогите СРОЧНО! Вычислите а) (7/15+7/30+4/5) : (2-1/3-1/2) б) (1/6+1/10+1/15):(3/5-1/3-1/4) Дам 50 баллов
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Hooorizon
А)
(7/15+7/30+4/5):(2-1/3-1/2)=(45/30):(7/6)=9/6*6/7=9/7
б)
(1/6+1/10+1/15):(3/5-1/3-1/4)=20
1) 1/6+1/10=5/30+3/30=8/30=4/15
2) 4/15+1/15=5/15=1/3
3)
3/5-1/3 =9/15-5/15=4/15
4)
4/15-1/4=16/60-15/60=1/60
5)
1/3:1/60=1/3*60=20
2 votes
Thanks 2
Aniuta2004
А)(7/15+7/30+4/5) : (2-1/3-1/2)=(7/10+4\5) : (2-1/3-1/2)= 1.1/2 : (1.2/3-1/2)=1.1/2 : 1.1/6=9/7=1.2/7
б)(1/6+1/10+1/15):(3/5-1/3-1/4)=(4/15+1/15):(4/15-1/4)=1/3:1/60=20
1 votes
Thanks 2
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Answers & Comments
б) (1/6+1/10+1/15):(3/5-1/3-1/4)=20
1) 1/6+1/10=5/30+3/30=8/30=4/15
2) 4/15+1/15=5/15=1/3
3) 3/5-1/3 =9/15-5/15=4/15
4) 4/15-1/4=16/60-15/60=1/60
5) 1/3:1/60=1/3*60=20
б)(1/6+1/10+1/15):(3/5-1/3-1/4)=(4/15+1/15):(4/15-1/4)=1/3:1/60=20