2. 2
(3x- 2). • (3x-2)
2. 2
9x. -12x+4. • 9x -12x+4
33/5 = 6 целых 3/5
45/4 = 11 целых 1/4
17/2 = 8 целых 1/2
625/625 = 1
2110+95=3102110x+95=310x
21105+95=31021105x+95=310x
21105+95=310,≠−95,≠021105x+95=310x,x≠−95,x≠0
21⋅510(5+9)=31021⋅510(5x+9)=310x
212(5+9)=310212(5x+9)=310x
210=6(5+9)210x=6(5x+9)
210=30+54210x=30x+54
210−30=54210x−30x=54
180=54180x=54
=54180x=54180
=310,≠−95,≠0x=310,x≠−95,x≠0
=310
х=0.3
6 - 1 3\5 = 5 5\5 -1 3\5 = 4 2\5