1. Podkreśl wspólny czynnik i wyłącz go poza nawias.
np: 14x + 6y -4 = 2 · 7x + 2 · 3y - 2 · 2 = 2 (7x +3y -2)
a)10 +5y - 15 = 5 · ......x + 5 · ......y - 5 · 3 = ...............................
b) 24x - 18y + 12= ....... ·4x - ...... · 3y + ..... · 2 = ......................
c) -8 + 16b - 32 = .................................................................
d) -14a - 21 +49b = ...............................................................
2)
a) ∛125=.......................
b) ∛0,064=.....................
d) ∛-0,125=.....................
e) ∛729=.........................
f) ∛0,216=.........................
g) ∛-216000=......................
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a)5*2x+5 *y-5*3= 5(2x+y-3)
b)6*4x - 6*3y+ 6 *2 = 6(4x-3y+2)
c)-8x* 1 +8*2b-8*4)=8(-1x+2b-4)
d)-7*2a - 7 *3 + 7 *7b = 7(-2a -3 +7b)
2
a)5
b) 0,4
c)pod pierwiastkiem -1*0,125 = -1*0,5=-0,5
d) 9
e)0,6
f)pod pierwiastkiem -1 * 216000 = -1 *60=-60