WorksheetsΤετραγωνική ρίζα
Total questions: 10
Worksheet time: 5mins
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Class
Date

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Worksheets232 =
529
46
23
-23
(−18)2 =
18
-18
36
324
Η εξίσωση X2= 49 έχει λύσεις:
x =7
x =-7
x = 7 ή x = -7
καμία λύση(αδύνατη)
Αν α = κ με α > 0 και κ > 0 τότε:
α2=κ
α2= κ2
α = κ
κ2= α
152⋅25 =
15
75
105
125
1600⋅0,09 =
12
120
1200
4800
218 =
9
3
6
12
2⋅5⋅6,4 =
3,2
32
10
8
Αν x = 0,2 τότε X =
0,4
0,04
0,02
0,08
Αν x = 43 τότε x =
169
916
169 ηˊ −169
−169
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