Indeed this Qur'an explains to the children of Israel much of what they are at variance.
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Tafseer
'Abdullāh Ibn 'Abbās / Muḥammad al-Fīrūzabādī
تفسير : (lo! this qur'an) which you recite to them, o muhammad, (narrateth unto the children of israel) explains to jews and christians (most of that concerning which they differ) most of that which they oppose concerning religion.
Jalāl al-Dīn al-Maḥallī
تفسير : truly this qur’ān recounts to the children of israel — those living at the time of our prophet — [the means to resolve] most of that concerning which they differ, that is, by virtue of the fact that it expounds the said [differences] as they should be, eliminating any disagreements between them, if only they were to implement it and submit [to its prescriptions].