1) х=5/6-5/14=35/42-15/42=20/42=10/212) 4 целых 5/19+х+1 целое 1/38=12 целых 1/2;
81/19+х+39/38=25/2
Х=25/2-81/19-39/38=475/38-162/38-39/38 Х=274/38=137/19= 7 4/19
3) 17 целых 3/8-у=9 целых 5/12+2 целых 1/6;
139/8-у=113/12+13/6
У=139/8-113/12-13/6=417/24-226/24-52/24=139/24=5 19/244) 14 целых 9/16-х=6 целых 3/4+1 целое 2/5
233/16 –х=27/4+7/5
Х=233/16-27/4-7/5=1165/80-540/80-112/80=513/80=6 33/80
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1) х=5/6-5/14=35/42-15/42=20/42=10/21
2) 4 целых 5/19+х+1 целое 1/38=12 целых 1/2;
81/19+х+39/38=25/2
Х=25/2-81/19-39/38=475/38-162/38-39/38
Х=274/38=137/19= 7 4/19
3) 17 целых 3/8-у=9 целых 5/12+2 целых 1/6;
139/8-у=113/12+13/6
У=139/8-113/12-13/6=417/24-226/24-52/24=139/24=5 19/24
4) 14 целых 9/16-х=6 целых 3/4+1 целое 2/5
233/16 –х=27/4+7/5
Х=233/16-27/4-7/5=1165/80-540/80-112/80=513/80=6 33/80