Question

Cat puteti rezolva var rog:(

Answer 1

5√2 + 3√2 = 8√2

√0,49 + √1,69 = 7/10 + 13/10 = 20/10 = 2

√4 + √121 = 2 + 11 = 13

Mg = √2·50 = √100 = 10

1/2√3 = √3/6

- 2 - √3

(3√3)² = 9·3 = 27

5² = 25

27 > 25

3√3 > 5

Ma = (5 - √5 + 5 + √5)/2 = 10/2 = 5

Mg = √(5 - √5)(5 + √5) = √(5² - √5²) = √(25 - 5) = √20 = 2√5

√75 = √3·5² = 5√3

2x = (√5-1)(√5+1)

2x = 5 - 1

2x = 4

x = 2

4/(2√5-3√2)×(2√5+3√2)/(2√5+3√2)

= 4(2√5+3√2)/(4×5-9×2)

= 4(2√5+3√2)/2

= 2(2√5+3√2)

|3-2√3| + √12 - 1

= 2√3 - 3 + 2√3 - 1

= 4√3 - 4

= 4(√3-1)

√4 + √3² = 2 + 3 = 5

5/√10 = 5√10/10 = √10/2

a = √3 - √2

1/a = 1/(√3 - √2) = (√3 + √2)/(3 - 2) = (√3 + √2)

AC' = BD' = 7 cm

m(AB,CD) = 60°

Ma = (7-2√3+7+2√3)/2 = 14/2 = 7

2√3/3√2 = √6/3

12/(3+√6) = 12(3-√6)/(9 - 6) = 12(3-√6)/3 = 4(3 - √6)

(2√3 - 1)(√12 - 1) = (2√3 - 1)(2√3 - 1) = (2√3 - 1)² = 13 - 4√3