Chapters
- Exercise 1.
- Exercise 2.
- Exercise 3.
- Exercise 4.
- Exercise 5.
- Exercise 6.
- Exercise 7.
- Exercise 8.
- Exercise 9.
- Solution of exercise 1
- Solution of exercise 2
- Solution of exercise 3
- Solution of exercise 4
- Solution of exercise 5
- Solution of exercise 6
- Solution of exercise 7
- Solution of exercise 8
- Solution of exercise 9
Exercise 1.
Look for the term unknown and indicate its name in the following operations:
1.
2.
3.
4.
Exercise 2.
Look for the term unknown in the following operations:
1.
2.
3.
4.
Exercise 3.
Calculate two different ways of completing the following operations:
1.
2.
3.
Exercise 4.
Remove the common factor:
1.
2.
3.
Exercise 5.
Express the following numbers in powers:
1.
2.
3.
Exercise 6.
Calculate:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
Exercise 7.
Using powers, carry out the polynomial decomposition of these numbers:
1.
2.
3.
Exercise 8.
Calculate the square roots:
1.
2.
3.
Exercise 9.
Calculate:
1.
2.
3.
4.
5.
6.
7.
8.
Solution of exercise 1
Look for the unknown term and indicate its name in the following operations:
1.
addend.
2.
Minuend.
3.
Factor.
4.
Divisor.
Solution of exercise 2
Look for the unknown term in the following operations:
1.
2.
3.
and 
4.
Solution of exercise 3
Calculate two different ways of completing the following operations:
1.
2.
3.
Solution of exercise 4
Remove the common factor:
1.
2.
3.
Solution of exercise 5
Express the following numbers in powers:
1.
2.
3.
Solution of exercise 6
Calculate:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
Solution of exercise 7
Using powers, carry out the polynomial decomposition of these numbers:
1.
2.
3.
Solution of exercise 8
Calculate the square roots:
1.
2.
3.
Solution of exercise 9
Calculate:
1.
2.
3.
4.
5.
6.
7.
8.
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I’m afraid this article (on cardinal numbers) has an unfortunate error. Zero must be considered a cardinal number. The definition of a cardinal number given by the Penguin Dictionary of Mathematics is “A number that indicates the number of elements in a set.” It also defines a null set or empty set containing no elements. The cardinality of this set is 0.