1.Oblicz:
√32+√2 ________= √2
√27-√12 ________= √3
2√50+√75 ______= 2√2
√32+√2 √2(√32+√2) √64+2 8+2
a)________= _____________= _______ = ______= 10/2=5
√2 √2×√2 2 2
b) √27-√12 √3(√27-√12) √81-√36 9-6 ________= ______________ = _________= _____=3/3=1
√3 √3×√3 3 3
c) 2√50+√75 2√2(2√50+√75) √1600+√600 40+10√6 _________= _________= __________= __________ 2√2 2√2×2√2 8 8
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√32+√2 √2(√32+√2) √64+2 8+2
a)________= _____________= _______ = ______= 10/2=5
√2 √2×√2 2 2
b) √27-√12 √3(√27-√12) √81-√36 9-6
________= ______________ = _________= _____=3/3=1
√3 √3×√3 3 3
c) 2√50+√75 2√2(2√50+√75) √1600+√600 40+10√6
_________= _________= __________= __________
2√2 2√2×2√2 8 8