7\/3 + 2\/27=
\/50-5\/72= ---------- kreska ułamkowa
\/45 + 7 \/20=
\/32+ \/2
------------- =
\/8
3 \/24 - \/54 = \/- pierwiastek
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7√3 + 2√27 = 7√3 + 2√3*9 = 7√3 +5√3 = 12√3
√50 - 5√72 = √25*2 - 5√36*2 = 5√2 = 5√2 - 30√2 = - 25√2
√32 + √2
------------- = √34/√8 = √34/8 = √4,25 = 2,5
√8
3 √24 - √54 = 3√6*4 - √9*6 = 6√6 - 3√6 = 3√6
Myślę że pomogłam i proszę o naj :)