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12％の食塩水300gに別の食塩水を200g加えたら10％の食塩水が出来た。加えた食塩水の濃度を求めよ
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12％の食塩水300gに別の食塩水を200g加えたら10％の食塩水が出来た。加えた食塩水の濃度を求めよ
この問題の解き方を教えて下さい
Users viewing this question
are also looking at these questions 😉
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