1、明明和小花一共有书36本,明明的书是小花的3倍,明明和小花各有多少本书?2、已知A+B=21,A=B*2 求; A=( ) B=( )已知()=口+口+口,()-口=30 求;()=( ) 口=( )已知 口+O=26,口-O=14,求; 口=( ) O=
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![1、明明和小花一共有书36本,明明的书是小花的3倍,明明和小花各有多少本书?2、已知A+B=21,A=B*2 求; A=( ) B=( )已知()=口+口+口,()-口=30 求;()=( ) 口=( )已知 口+O=26,口-O=14,求; 口=( ) O=](/uploads/image/z/12493399-31-9.jpg?t=1%E3%80%81%E6%98%8E%E6%98%8E%E5%92%8C%E5%B0%8F%E8%8A%B1%E4%B8%80%E5%85%B1%E6%9C%89%E4%B9%A636%E6%9C%AC%2C%E6%98%8E%E6%98%8E%E7%9A%84%E4%B9%A6%E6%98%AF%E5%B0%8F%E8%8A%B1%E7%9A%843%E5%80%8D%2C%E6%98%8E%E6%98%8E%E5%92%8C%E5%B0%8F%E8%8A%B1%E5%90%84%E6%9C%89%E5%A4%9A%E5%B0%91%E6%9C%AC%E4%B9%A6%3F2%E3%80%81%E5%B7%B2%E7%9F%A5A%2BB%3D21%2CA%3DB%2A2+%E6%B1%82%EF%BC%9B+A%3D%28+%29+B%3D%28+%29%E5%B7%B2%E7%9F%A5%EF%BC%88%EF%BC%89%3D%E5%8F%A3%2B%E5%8F%A3%2B%E5%8F%A3%2C%28%29-%E5%8F%A3%3D30+%E6%B1%82%EF%BC%9B%EF%BC%88%EF%BC%89%3D%EF%BC%88+%EF%BC%89+%E5%8F%A3%3D%EF%BC%88+%EF%BC%89%E5%B7%B2%E7%9F%A5+%E5%8F%A3%2BO%3D26%2C%E5%8F%A3-O%3D14%2C%E6%B1%82%EF%BC%9B+%E5%8F%A3%3D%28+%29+O%3D)
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