1) x + y = 5, ||06 / + y = 1; 2) [10] + \y = 3, 1-+ y2 = 5; Slac + \y = 2, 3) [xy - 1 = 0; 4) | |ac| + \y = 5, | x2 + y2 = 13.

accacherrygdghvcg    3   05.09.2021 15:55    0