1, 2, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 41, 42, 51, 52, 61, 62, 71, 72, 81, 82, 91, 92
(2х+1)/(24x^2y)+(2-3y)/(18xy^2)= (3y(2x+1)+4x(2-3y))/72x^2y^2=(6xy+3y+8x-12xy)/72x^2y^2=(3y+8x-6xy)/72x^2y^2
А D C E B
3см
DE = 3 * 2 = 6(cм)
АВ = 3 * 4 = 12 (см)
<span>4,8x+5,91+13,2x=150
4,8х+13,2х=150-5,91
18х=144,09
х=144,09/18
х=8,005</span>
1.144 см
2.225 см
это точно