А (6) Б (12)
10/12 = 5/6 15/36 = 5/12
0,5 = 5/10 = 1/2 = 3/6 23/69 = 1/3 = 4/12
8/16 = 1/2 = 3/6 13/78 = 1/6 = 2/12
2/3 = 4/6 29/58 = 1/2 = 6/12
7 = 42/6 3/4 = 9/12
15/18 = 5/6 14/24 = 7/12
7/21 = 1/3 = 2/6 49/84 = 7/12
75/90 = 5/6 3 = 36/12
1/2 = 3/6 0,5 = 5/10 = 1/2 = 6/12
3/18 = 1/6 45/54 = 5/6 = 10/12
35/42 = 5/6 11/33 = 1/3 =4/12
1 1/2 = 3/2 = 9/6 19/38 = 1/2 = 6/12
1/3 = 2/6 35/42 = 5/6 = 10/12
17/34 = 1/2 = 3/6 56/96 = 7/12
3 = 18/6 0,25 = 25/100 = 1/4 = 3/12
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В (18) Г (36)
21/54 = 7/18 35/42 = 5/6 = 30/36
2/9 = 4/18 0,25 = 25/100 = 1/4 = 9/36
15/27 = 5/9 = 10/18 11/12 = 33/36
14/36 = 7/18 5/6 = 30/36
1/6 = 3/18 58/72 = 29/36
8/9 = 16/18 5/18 = 10/36
22/36 = 11/18 2/3 = 24/36
5/6 = 15/18 21/108 = 7/36
49/63 = 7/9 = 14/18 0,75 = 75/100 = 3/4 = 27/36
2 = 36/18 7/12 = 21/36
45/81 = 5/9 = 10/18 5/9 = 20/36
4/9 = 8/18 46/72 = 23/36
65/78 = 5/6 = 15/18 1 = 36/36
1,5 = 15/10 = 3/2 = 27/18 25/45 = 5/9 = 20/36
2/3 = 12/18 11/18 = 22/36
х=1,2:12
х=6/5*1/12
х=1/10
2) 225:/x/= 7 1/12
х=225:85/12
х=225*12/85
х=45*12/17
х=540/17
3)-4,84:/x/=-4,4
х=-4,84:(-4,4)
х=-4 21/25:(-4 2/5)
х=-121/25*(-5/22)
х=11/10
4)5/x/+6 11/26=7
х=(7-167/26):5
х=(182/26-167/26):5
х=15/26*1/5
х=3/26
5)3 /x/:13,2=1/33
х=1/33*13 1/5:3
х=1/33*66/5:3
х=2/5*1/3
х=2/15
6)79+4:/x/+81,8 это не уравнение, где-то ошибка… либо равно 0, либо вместо какого-то завел должно быть=