6
Every integer is a rational number
7
Every rational number has a multiplicative inverse
8
The multiplicative inverse of a rational number is an integer
9
Every rational number has an additive inverse
10
zero is a rational number
16
If 5a=45 and ab=1 then b=....
30
The simplification of the expression 9a-4b-2c-5a+7b+3c is equal 4a+3b+c
35
what is decrease of -3ab than 2ab