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Care este rezultatul corect pentru expresia :2*5+8/2-6 = ?
A.
8
B.
7
C.
17
D.
3
Correct Answer A. 8
Explanation The correct answer is 8 because according to the order of operations (PEMDAS/BODMAS), we first perform the division (8/2), then the multiplication (2*5), and finally the addition and subtraction. So, 8 divided by 2 equals 4, 2 multiplied by 5 equals 10, and 10 plus 4 equals 14. Finally, subtracting 6 from 14 gives us the result of 8.
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2.
Unghiul care are 90 de grade se numeste ..
Correct Answer unghi drept
Explanation The correct answer is "unghi drept" because in geometry, an angle that measures exactly 90 degrees is called a right angle.
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3.
Alege varianta corectă a scrierii numărului 169716
A.
- opt sute otpzeci și șapte mii opt sute șaizeci și nouă
B.
- douăzeci și trei mii patru sute nouăzeci și șase
C.
- o sută șaizeci și nouă mii șapte sute șaisprezece
Correct Answer C. - o sută șaizeci și nouă mii șapte sute șaisprezece
Explanation The correct answer is "- o sută șaizeci și nouă mii șapte sute șaisprezece" because it correctly represents the number 169,716 in Romanian. It follows the pattern of stating the thousands, hundreds, tens, and units places in order, with the appropriate words for each place value.
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4.
Ordoneză crescător numerele :5, 4, 6, 99
Correct Answer 4, 5, 6, 99
Explanation The given numbers are arranged in ascending order. Starting from the smallest number, 4 is the first number. Then comes 5, followed by 6, and finally 99, which is the largest number. Therefore, the correct answer is 4, 5, 6, 99.
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5.
Triplul numărului 990 este
A.
1820
B.
3690
C.
2970
D.
7840
Correct Answer C. 2970
Explanation The correct answer is 2970 because if we triple the number 990, we get 2970.
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6.
Care este cel mai mic număr ?
A.
100000
B.
10000
C.
100
D.
0,6
Correct Answer D. 0,6
Explanation The correct answer is 0,6 because it is the smallest number among the given options.
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7.
6+1 = 7, dar și 5+2 = 7, 3+4 = 7, 7+0 = 7 ?
A.
Adevărat
B.
False
Correct Answer A. Adevărat
Explanation The given statement suggests that when two numbers are added together, the sum is always 7. This pattern is observed in the examples provided: 6+1=7, 5+2=7, 3+4=7. Therefore, it can be inferred that 7+0=7 is also true, as adding 0 to any number does not change its value.
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8.
Pătratul are 4 unghiuri, a cîte 90 de grade.
A.
Adevărat
B.
Fals
Correct Answer A. Adevărat
Explanation A square has four angles, each measuring 90 degrees. This is a defining characteristic of a square and is true for all squares.
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9.
În imagine sunt prezentate
A.
Figuri geometrice
B.
Cărți
C.
Corpuri geometrice
D.
Calcularoare
Correct Answer C. Corpuri geometrice
Explanation The given answer, "Corpuri geometrice," is correct because the question states that different items are presented in an image. Among the options provided, "Corpuri geometrice" is the only one that fits this description, as it refers to geometric shapes or solids. The other options, such as "Figuri geometrice," "Cărți," and "Calcularoare," do not represent items that can be visually depicted in an image.
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10.
Pentagonul este un corp sau o figură geometrică ?
Correct Answer o figură geometrică
Explanation The correct answer is "o figură geometrică" because the question asks whether the Pentagon is a geometric shape or figure. A Pentagon is a specific type of polygon with five sides and five angles, which makes it a geometric figure.
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11.
Dodecaedrul este o figură geometrică.
A.
True
B.
False
Correct Answer B. False
Explanation The statement says "The dodecahedron is a geometric figure." However, this is not true. A dodecahedron is indeed a geometric figure, specifically a polyhedron with twelve faces, but it is not the only geometric figure. There are many other geometric figures such as triangles, squares, and circles. Therefore, the correct answer is false.
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