Mathematics
Junior High
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答えは写真2枚目に載ってます
4の食塩水和と 〉%の食塩水Bがある。Aを300g を 200g混ぜ合ね
食塩水になり, Aを100g, Bを400g混ぜ合わせると濃度が 10%の食塩水半
このとき, z, ヵの値を求めよ。
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