Zad.1
Uporządkuj liczby malejonco:
√2; √2¼; ∛27; ∛3⅜; √81
Zad.2
Oblicz:
√36; ∛64; √784; √1/49; √1+11/25; √2+7/16
Zad.3
Oblicz:
a)(√81)²-√25+∛8
b) ∛24:∛3
c) √2/7·√8.7
Za 1godz. cz.2
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zad1)
√2=2^1/2≈1,41
√2i1/4=√9/4=3/2=1,5
∛27=3
∛3i3/8=∛27/8=3/2=1,5
√81=9
√81>∛27>√2i1/4=∛3i3/8>√2
zad2)
√36=6
∛64=4
√784=28
√1/49=1/7
√1+11/25=√36/25=6/5
√2+7/16=√39/16=√39/4
zad3)
a) (√81)²-√25+∛8=81-5+2=78
b) ∛24:∛3=∛24:3=∛8=2
c) √2/7·√8/7=√16/49=4/7