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Authored by Otilia Jugravu

Mathematics

6th - 8th Grade

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10 questions

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1.

FILL IN THE BLANK QUESTION

2 mins • 1 pt

 105103+10010002+23108=10x210^5\cdot10^3+100\cdot1000^2+2^3\cdot10^8=10^{x^2}  Afla numarul natural x

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

5

2

6

0

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Alege raspunsul gresit

1024=10100+2411024=10\cdot100+24\cdot1

1024=2101024=2^{10}

1024=1103+0102+2101+41001024=1\cdot10^3+0\cdot10^2+2\cdot10^1+4\cdot10^0

1024=104+210+41024=10^4+2\cdot10+4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dacă a=bc+d, d<b atunci (10a)=(10b)c+10d si 10d<10b

Catul împărțirii a doua numere naturale este 5 iar restul 183. Mărim de 10 ori si deîmpărțitul și împărțitorul care va fi noul cit respectiv care va fi noul rest?

5 si 183

50 si 183

5 si 1830

50 si 1830

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 11211311411^2\cdot11^3\cdot11^4  

 112411^{24}  

 1331241331^{24}  

 11911^9  

 111011^{10}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un pătrat are latura 12. Un dreptunghi are lungimea de 3 ori mai mare ca lățimea si perimetrul egal cu cel al pătratului. Aria dreptunghiului este:

144

108

180

162

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Teorema impartirii cu rest pentru 48 si 9 este ...

48=95+3, 3<948=9\cdot5+3,\ 3<9

48=95+3, 3<548=9\cdot5+3,\ 3<5

48:9=5 rest 3

48:9=5,333...

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