1.
Care este rezultatul corect pentru expresia :2*5+8/2-6 = ?
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.
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.
3.
Alege varianta corectă a scrierii numărului 169716
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.
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.
5.
Triplul numărului 990 este
Correct Answer
C. 2970
Explanation
The correct answer is 2970 because if we triple the number 990, we get 2970.
6.
Care este cel mai mic număr ?
Correct Answer
D. 0,6
Explanation
The correct answer is 0,6 because it is the smallest number among the given options.
7.
6+1 = 7, dar și 5+2 = 7, 3+4 = 7, 7+0 = 7 ?
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.
8.
Pătratul are 4 unghiuri, a cîte 90 de grade.
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.
9.
În imagine sunt prezentate
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.
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.
11.
Dodecaedrul este o figură geometrică.
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.