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【教学课件】(新教材)华师大版初中数学七下《6.1 二元一次方程组和它的解》

2026-03-31 12:22:21

【教学课件】(新教材)华师大版初中数学七下《6.1 二元一次方程组和它的解》

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SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000554s ]
SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000285s ]
SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000253s ]
SHOW FULL COLUMNS FROM `set` [ RunTime:0.000534s ]
SELECT * FROM `set` [ RunTime:0.000198s ]
SHOW FULL COLUMNS FROM `article` [ RunTime:0.000499s ]
SELECT * FROM `article` WHERE `id` = 468572 LIMIT 1 [ RunTime:0.000377s ]
UPDATE `article` SET `lasttime` = 1775319474 WHERE `id` = 468572 [ RunTime:0.000742s ]
SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000216s ]
SELECT * FROM `article` WHERE `id` < 468572 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000454s ]
SELECT * FROM `article` WHERE `id` > 468572 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000425s ]
SELECT * FROM `article` WHERE `id` < 468572 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001363s ]
SELECT * FROM `article` WHERE `id` < 468572 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000790s ]
SELECT * FROM `article` WHERE `id` < 468572 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000800s ]

0.073777s

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