Question

из ряда чисел выбрать натуральные числа целые числа рациональные числа иррациональные числа : 20,5; 11 в корне; 24,(37); -52; -0,9; 0; 71; 25в корне; 7 в корне​

Answer 1

Given : 20.5 , √11 , -52  , -0.9  , 0  , 71  , √25  , √7

To Find : choose natural numbers integers rational numbers irrational numbers:

Solution:

Natural Numbers : 1 , 2 , 3  .. . etc  ( Positive integers)

Integers (   - - , - 2 , - 1 , 0 , 1 , 2 , . . .   )

Rational p/q from where p and q are integers q ≠ 0

Irrational numbers : Real numbers which are not rational

natural numbers : 71  , √25  

(√25  = 5)

Integers :  -52  , 0  , 71  , √25

Rational numbers  20.5 , -52  , -0.9  , 0  , 71  , √25  

205 = 205/10 = 41/2

-0.9 = -9/10

-52 = -52/1

0  = 0/1  

71 = 71/1

√25  = 5 = 5/1

Irrational numbers  √11 ,  √7

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