Mathematics
Senior High
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16 次の式を展開したとき,[]内の項の係数を求めよ。
(1) (5a³-3a2b+7ab2-263) (3a²+2ab-362) [a²b³], [a3b2]
(2)(x+2y-z) (3x+4y+2z) (-x+y-3z) [xy2], [xyz]
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