September 2018 1 7 Report

Oblicz .

2 √45 + 3√20 - √80 =

∛40 + ∛135 =

√90 + √40 + √250 =

√18 - 2√8 =

3√20 + √5 =

2√48 + 2√3 =

1. Uzupełnij ;

√... = 13

√... = ¼

√... = 0,1

∛... = 0,1

∛... = -5

∛... = -⅔

∛... = 1⅓

2. Uzupełnij.

a.) √36 · √144 =

√9 · √... = 21

√... ÷ √25 = 2

b.) ∛27 · ∛-8 = ...

∛64 · ∛... = 40

∛125 ÷ ∛... = -5

c.) √121 · ∛-27 = ...

∛216 · √... = 36

√196 ÷ ∛... = -7

3. Wpisz znak < lub > .

a.) √31 5

√47 7

√99 9

b.) √90 9

∛70 9

∛-10 -1

z góry b. dziękuje . ; *


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