1)12-11,36=0,64
2)20,8:0,64=32.5
3)8:12.5=0,64
4)32,5-0,64=31,86
21,71+4,06у=27,8
4,06у=27,8-21,71
4,06у=6,09
у=6,09:4,06
у=1.5
1)12-11,36=0,64
2)20,8:0,64=32.5
3)8:12.5=0,64
4)32,5-0,64=31,86
21,71+4,06у=27,8
4,06у=27,8-21,71
4,06у=6,09
у=6,09:4,06
у=1.5