У+(9,31-7цел.1/4)=8,2 (7,43-2цел.3/25)+х=7 (8,61-3цел.3/4)+у=1 - вопрос №537012093171482743232578613341 от Pulpy1235 13.10.2022 06:16

Question

Математика: У+(9,31-7цел.1/4)=8,2 (7,43-2цел.3/25)+х=7 (8,61-3цел.3/4)+у=1

Pulpy1235 · Answer

1) 7 1/4 =29/4 =7.25y +(9.31 -7.25) =8.2y +2.06 =8.2y = 8.2 -2.06y = 6.142) 2 3/25 =53/25 =2.127.43 -2.12 +x =75.31 +x =7x =7-5.31x =1.693) 3 3/4 =15/4 =3.758.61 -3.75 +y =14.86 +y =1y =1 -4.86y = -3.86...