Question

fill in the blanks:
a) Multiplicative inverse of a negative number is ______________.
b) if X+0=0+x=x , where X is a rational number then 0 is called _____________.
c) x+y/2 is a rational number between ____________ and ___________.
d) The negative of a negative rational number is always a ___________ rational number.

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Answer 1

(a) positive number

(b) no

(c) I don't know this

(d) positive