数学错题卡手抄报彩色漂亮图片-含文字内容
长方形：面积=长×宽
正方形：面积=边长×边长
平行四边形：面积=底×高
三角形：面积=底×高÷2
梯形:面积=(上底+下底)×高÷2
交换律：a×b=b×a
结合律：(a×b)×c=a×(b×c)
MySQL Query : SELECT * FROM `nielaoshi_data`.`v9_wengao` WHERE status=99 AND catid='361' ORDER BY rand() LIMIT 10
MySQL Error : Disk full (/tmp/#sql_1076_3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql_1076_3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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数学错题卡手抄报彩色漂亮图片-含文字内容