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5th
grade

Mathematics

68%

accuracy

13

plays

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4 years

Mathematics

5th

grade

Suma lui Gauss

user

13
plays

5 questions

5 questions

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1. Multiple Choice
30 seconds
1 pt
Calculati 1 + 2 + 3 +........+ 9
43
45
52
54
2. Multiple Choice
30 seconds
1 pt
Calculati 1 + 2 + 3 +........+ 40
820
780
840
860
3. Multiple Choice
30 seconds
1 pt
Calculaţi 2 + 4 + 6 + ....... + 20
100
110
120
90
4. Multiple Choice
30 seconds
1 pt
Calculaţi 1 + 2 + 3 + ....... + n
$n\cdot\left(n\ +\ 1\right)$
$n$
$2\cdot n$
$n\cdot\left(n+1\right):2$
5. Multiple Choice
30 seconds
1 pt
Carl Friedrich Gauss a fost
Matematician german
Cantaret italian
Fotbalist englez
Aviator spaniol
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