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УточкаНя
@УточкаНя
July 2022
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а) 3 1/9:1 1/6=
б) 1 3/20:4,6=
в) 3 3/7:(1:1 1/6)-2 7/9=
г) 3,1:х-1/6=1 5/9
Помогите, прошу((
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Velikiyznatok159357
1) 3 1/9:1 1/6=28/9:7/6=28/9*6/7=4/3*2/1=6/3=2
2)1 3/20:4,6=1 3/20:4 6/10 =1 3/20:4 3/5=23/20:23/5=23/20*5/23=1/4*1/1=1/4
3)3 3/7:(1:1 1/6)-2 7/9=3 3/7:(1/1:7/6)2 7/9=3 3/7:(1/1*6/7)-2 7/9=3 3/7:6/7-2 /9=24/7:6/7-2 7/9=24/7*7/6-2 7/9=4/1*1/1-2 7/9=4/1-2 7/9=4/1-25/9=36/9-25/9=11/9=1 2/9
4)3,1:х-1/6=1 5/9
3,1:х=1 5/9+1/6
3,1:х=14/9+1/6
3,1:х=28/18+3/18
3,1:х=31/18
х=31/18*3,1
х=31/18*3 1/10
х=31/18*31/10
х=961/180
х=5 61/180
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Answers & Comments
2)1 3/20:4,6=1 3/20:4 6/10 =1 3/20:4 3/5=23/20:23/5=23/20*5/23=1/4*1/1=1/4
3)3 3/7:(1:1 1/6)-2 7/9=3 3/7:(1/1:7/6)2 7/9=3 3/7:(1/1*6/7)-2 7/9=3 3/7:6/7-2 /9=24/7:6/7-2 7/9=24/7*7/6-2 7/9=4/1*1/1-2 7/9=4/1-2 7/9=4/1-25/9=36/9-25/9=11/9=1 2/9
4)3,1:х-1/6=1 5/9
3,1:х=1 5/9+1/6
3,1:х=14/9+1/6
3,1:х=28/18+3/18
3,1:х=31/18
х=31/18*3,1
х=31/18*3 1/10
х=31/18*31/10
х=961/180
х=5 61/180