Oblicz
√32-√50+√72=4√2-5√2+6√2=5√2
6/√2=6*√2 /√2*√2= 6√2/2 = 3√2
(√5-√2) (√5+√2)= 5+√10 - √10 -2 = 3
√18 = √9*2 = 3√2
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√32-√50+√72=4√2-5√2+6√2=5√2
6/√2=6*√2 /√2*√2= 6√2/2 = 3√2
(√5-√2) (√5+√2)= 5+√10 - √10 -2 = 3
√18 = √9*2 = 3√2