VERDADERO/FALSO
THE NUMBER 5,37272727... IS A RATIONAL NUMBER
TRUE
COULD YOU INDICATE ALL THE NUMERICAL GROUPS OF THIS NUMBER? PI NUMBER
IRRATIONAL AND REAL
CALCULATE THIS ABSOLUTE VALUE: [-7 +2]
5
THE NUMBER ROOT SQUARE OF TWELVE THIRDS belongs to N, Z, Q Y R.
TRUE
COULD YOU INDICATE ALL THE NUMERICAL GROUPS OF THIS NUMBER?
MINUS SQUARE ROOT OF TWO
IRRATIONAL AND REAL
CALCULATE THIS ABSOLUTE VALUE: [7-[-9]]
2
DOES THE FRACTION a/b =3,414114111411114...
FALSE
THE QUOTIENT BETWEEN THIRTY-FIVE AND SEVEN
NATURAL, INTEGER, RATIONAL AND REAL
CALCULATE THIS ABSOLUT VALUE:
[-1 +[-7]-[-3]]
3
The number -1 belongs to the interval: (minus square root of twenty-five, minus cube roof of eight )
FALSE
In the next chain of numerical groups N c Z c Q c R, find a number which belongs to each group but not to the previous.
1
-1
1/2
square root of two
FIND ALL THE VALUES OF X WHICH VERIFY THE NEXT EQUALITY:
[X+5]=2
-3 Y -7