uprość :
a.
| 2 - √3 | + |2√3 + 1 |
b.
|| 4-2√5 | + 1
c.
|| 2-√3 | - | √5-2 |
oblicz :
d. ∛54 : ∛2
e. (7√2 - 3√8 ) √2
f. (√5)⁶
g. ∛4 * ∛6 * ∛9
dziękuję.
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zad.1
a.
| 2 - √3 | + |2√3 + 1 |=2 - √3 +2√3 + 1=3+√3
b.
| 4-2√5 | + 1= 4-2√5 - to wyrażenie jest na minusie
| 4-2√5 | + 1= -4+2√5 + 1 =-3 +2√5
c.
| 2-√3 | - | √5-2 | = 2-√3-√5+2=4-(√3+√5)
oblicz :
d. ∛54 : ∛2= ∛27=3
e. (7√2 - 3√8 ) √2=7*2-3 √16=14-3*4=14-12=2
f. (√5)⁶=5³=125
g. ∛4 * ∛6 * ∛9= ∛216=6
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