1 a)x+6 b)1/4 y c)k-p d)3b² 2 4y;-2x;-6 3)4x-5x-3x=-4x 4)a+a+3+a+1+a+2=4a+6 2b+3b+4b=9b 5a)3(-2)+4=-6+4=-2 b)-8-2*3=-8-6=-14 c)2*4+3(-3)-6=8-9-6=-7 6a)-4x+4y b)6x-12y-6x+4y=-8y 7 n+1;n+3;n+5 8 x grusze x-20 czereśnie x+50 jabłka x+x-20+x+50=3x+30 1 a)y-5 b)3w c)km d)2b³ 2 3x;-6y;8 3)2y-6y=-4y 4)a+a+2+a+3=3a+5 2b+b+2b+b=6b 5a)2(-3)-5=-6-5=-11 b)-6-2(-2)=-6+4=-2 c)2*3+3(-4)-5=6-12-5=-6-5=-11 6a)-5x+2y b)8x-10y-6x+12y=2x+2y 7 n+1;n+3;n+5 8 x linia x-20 czyste x+50 kratka x+x-20+x+50=3x+30
1. x+6 ¼y k-p 3b² 2. 4y, -2x, -6 3. 4x-5x-3x = -4x 4. a+a+2+a+1+a+3 = 4a+6 2b+4b+3b = 9b 5. 3x+4 = 3*(-2)+4 = -6+4 = -2 -8-2y= -8-2*3 = -8-6 = -14 2x+3y-6 = 2*4+3*(-3)-6 = 8-9-6 = -7 6. 3x+9y-7x-5y = -4x+4y = 4(y-x) 3(2x-4y)-2(3x-2y) = 6x-12y -6x+4y = -8y 7. n-5, n-3, n-1 8. x + x-20 + x+50 = 3x + 30 = 3(x+10) --------------------------------------------------------------- 1. y-5 3w km 2b³ 2. 3x, -6y, 8 3. -4y 4. a+a+2+a+3 = 3a+5 b+b+2b+2b = 6b 5. 2x-5 = 2*(-3)-5 = -6-5=-11 -6-2y = -6-2*(-2) = -6+4 = -2 2x+3y-5 = 2*3+3*(-4)-5 = 6-12-5 = -11 6. -5x+2y 8x-10y-6x+12y = 2x+2y = 2(x+y) 7. n+1, n+3, n+5 8. takie samo jak w poprzedniej grupie.
Grupa A 1a)x+6 b) y/4 c) k-p d)3bkwadrat 2)4y, -2x,-6 3)-4x 4)a+a+2+a+3+a+1=4a+6 2b+3b+4b=9b 5) a)-6+4=2 b)-8-6=-14 c)8-9=-1 6) a)-4x+4y b)6x-12y-6x+4y=-8y 7)n-1,n-3,n-5 8)x+x-20+x+50=3x+30 GrupaB: 1) a) y-5 b)3w c)mk d)2bszescian 2)3x, -6y,8 3) -4y 4)a+a+2+a+3=3a+5 2b+b+2b+b=6b 5)a)-6-5=-11 b)-6+4=-2 c)-8+9-5=-4 6)a)-5x+2y b)8x-10y-6x+12y=2x+2y 7)n+1,n+3,n+5 8)x+x-20+x+50=3x++30 Powodzenia na sprawdzianie ;)
