1) √32 + √2 : √2
2) √27 - √12 : √3
3) √2(√8+√50)
4) 2√50 + √72 : 2√2
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1) √32 + √2 : √2 =
2) √27 - √12 : √3 =
3) √2(√8+√50) = 14
4) 2√50 + √72 : 2√2 =
1) √32 + √2 : √2 =
= √16*√2 + 1 =
= 4√2 + 1
2) √27 - √12 : √3 =
= √9*√3 - √(12:3) =
= 3√3 - √4 =
= 3√3 -2
3) √2(√8+√50)=
= √2*√8 + √2*√50 =
= √(2*8) + √(2*50) =
= √16 + √ 100 =
= 4 + 10 =
= 14
4) 2√50 + √72 : 2√2 =
= 2√25*√2 + (√36*√2 : 2√2) =
= 2*5*√2 + ( 6√2 : 2√2) =
= 10√2 + 3