Getting matched against master+ ranked players as silver and gold

Me and my brother like to play nexus blitz and we keep constantly getting placed against plats-grandmaster players when we ourselfs are GOLD AND SILVER, this has happened for atleast 5-6 games in a row and is ridiculously unfair as they have a massive game knowledge advantage over us, someone please fix this! Links are the games we played and you can see the other team is always plat+ - - - -
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