Muslims; u say there are different versions of the bible, well why are there different versions of quran?

the bible was written in hebrew, and there is only 1 hebrew version, just like there is 1 arabic version of quran, so why do you call your english versions translations but u call our english versions different versions which are different bibles?
Update: u guys seem to be avoiding the querstion. dont just say that the bible has been changed without any proof. if this was the case, why are there billions of christians?
Update 2: there is no conttradictionhttp://www.cogeternal.org/2001/01009_0301passovercontroversy.htm
Update 3: http://www.provethebible.net/T1/Integrity.htm
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