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2010-04-12T17:43:00+02:00
2²+6²=x²
4 + 36 = x²
40 = x² / √
√40 = x
x = √4 * √10
x = 2 √10

x²+4²=(3√2)²
x² + 16 = 9*4
x² +16 = 36
x² = 36-16
x² = 20 / √
x = √20
x = √4 * √5
x = 2√5

(2√5)²+(3√3)²=x²
4*5 + 9*3 = x²
20 + 27 = x²
47 = x² / √
√47 = x

3²+x²=(√13)²
9 + x² = 13
x² = 13-9
x² = 4 / √
x = 2

6²+5²=x²
36 + 25 = x²
61 = x² / √
√61 = x

7,5²+12,5²=x²
56,25 + 156,25 = x²
212,5 = x² / √
√212,5 = x


x²+(√11)²= 5²
x² + 11 = 25
x² = 25-11
x² = 14 / √
x = √14
2010-04-12T17:44:39+02:00
2²+6²=x²
4+36=x²
40=x²
x=√40
x=2√10 lub x=-2√10

x²+4²=(3√2)²
x²+16=3*3*2
x²+16=18_____/-16
x²=2
x=√2 lub x=-√2

(2√5)²+(3√3)²=x²
20+27=x²
47=x²
x=√47 lub x= -√47

3²+x²=(√13)²
9+x²=13____/-9
x²=4
x=2 lub x=-2

6²+5²=x²
36+25=x²
61=x²
x=√61 lub x=-√61

7,5²+12,5²=x²
56,25+156,25=x²
212,5=x²
x=√212,5 lub x=-√212,5

x²+(√11)²= 5²
x²+11=25________/-11
x²=14
x=√14 lub x=-√14