they had it because they wanted to make history
Integers (eg 5), rational numbers (eg 7/9), irrational numbers (eg sqrt(3), transcendental numbers (eg π).
25 and 50 --------------- Any two (or more) numbers where the only common prime factor between the numbers is 5² eg 25 and any multiple of 25 eg 75 and 100 eg 200 and 275
The numbers which are multiples of 205 (eg 410)
The word 'numbers' can be abbreviated to 'nos' eg. no.7
Any two prime numbers, eg 3 and 17 also any two co-prime numbers eg 26 and 33
Prime numbers are those numbers which are only divisible by one and itself. For eg 2,3,5,7 ....
no eg: 9x4=36
An infinate number of numbers (eg 0.5555555555555555555555555555 is one of those numbers).
A mixture of letters and numbers eg fk3df89143
a square numbers are numbers that can be timeds by them self's. eg 2*2,4=2 squared
An infinite amount of numbers. eg 123x1 is 123, 123x2 is 246 and so on
By amount and using the symbols for greater than (>) or less than (<). eg. 5>3 eg. -43<-3