Porozmýšľaj, rozbaľ roletku a vyber správnu odpoveď.
Keď skončíš, stlač tlačidlo "Vyhodnoť".

RNDr. Marta Megyesiová

4x² - 1	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
x² + 6x + 9	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
x² - 4	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
x² - 9	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
x² - 8x + 16	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
25x² - 10x + 1	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
64x² + 16x + 1	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
36 - 49x²	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
4x² - 121y²	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
81x² - 16y²	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
9x² - 100y²	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
4x² - 4xy + y²	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
x² + 10xy + 25y²	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)
36x² - 12xy + y²	??? = (2x + 1).(2x - 1) = (9x + 4y).(9x - 4y) = (8x + 1)² = (x + 3).(x - 3) = (6x - y)² = (2x + 11y).(2x - 11y) = (x + 3)² = (6 + 7x).(6 - 7x) = (5x - 1)² = (x + 2).(x - 2) = (x - 4)² = (x + 5y)² = (2x - y)² = (3x + 10y).(3x - 10y)