Уравнения значит....
1) (х - 3 9/13) + 5 10/13= 12 4/13
х= 12 4/13 - 5 10/13
х= 6 7/13+ 3 9/13
х= 10 3/13
(10 3/13 - 3 9/13) + 5 10/13= 12 4/13
12 4/13=12 4 /13
2) (3 9/16 - у) + 4 9/16 = 5 7/16
у= 5 7/16 - 4 9/16
у= 3 9/16 - 14/16
у= 2 11/16
(3 9/16 - 2 11/16) + 4 9/16 = 5 7/16
5 7/16=5 7/16
3) 13 16/27 + (х - 2 17/27) = 30 5/27
х= 30 5/27 - 13 16/27
х= 16 16/27 + 2 17/27
х= 19 6/27
13 16/27 + (19 6/27 - 2 17/27) = 30 5/27
30 5/27=30 5/27
4) (у - 2 4/25) + 4 7/25= 14 6/25
у= 14 6/25 - 4 7/25
у= 9 24/25 + 2 4/25
у= 12 3/25
(12 3/25 - 2 4/25) + 4 7/25 = 14 6/25
14 6/25=14 6/25
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Verified answer
Уравнения значит....
1) (х - 3 9/13) + 5 10/13= 12 4/13
х= 12 4/13 - 5 10/13
х= 6 7/13+ 3 9/13
х= 10 3/13
(10 3/13 - 3 9/13) + 5 10/13= 12 4/13
12 4/13=12 4 /13
2) (3 9/16 - у) + 4 9/16 = 5 7/16
у= 5 7/16 - 4 9/16
у= 3 9/16 - 14/16
у= 2 11/16
(3 9/16 - 2 11/16) + 4 9/16 = 5 7/16
5 7/16=5 7/16
3) 13 16/27 + (х - 2 17/27) = 30 5/27
х= 30 5/27 - 13 16/27
х= 16 16/27 + 2 17/27
х= 19 6/27
13 16/27 + (19 6/27 - 2 17/27) = 30 5/27
30 5/27=30 5/27
4) (у - 2 4/25) + 4 7/25= 14 6/25
у= 14 6/25 - 4 7/25
у= 9 24/25 + 2 4/25
у= 12 3/25
(12 3/25 - 2 4/25) + 4 7/25 = 14 6/25
14 6/25=14 6/25