1 . Oblicz :
a) √81 + 5
b) ∛ 1000 - 100
c)
∛-27
______
18
d)
6
___+ 1
√144
e) √16 + ∛125
f) √169 +√36 -√49
g) ∛1000 * √9
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a) √81+5=9+5=14
b) ∛ 1000 - 100=10-100=-90
c) ∛-27 -3 -1
______=_____=____
18 18 6
d) 6 6 6
___+ 1=____+1=1_____= 1⅙
√144 12 12
e)√16 + ∛125=4+5=9
f)√169+√36-√49=13+6-7=11
g)∛1000·√9=10·3=30