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- 1一个长方体,长用a表示,宽用b表示,高用c表示 前面面积/( )=上面面积/( )(括括号内填字母)
- 2在三角形ABC中,AB=8倍根号6,角B=45度,角C=60,求AC,BC的长是多少(要解题过程)
- 3小华上学途中沿人行道以v1=1m/s速度向前方公交车站走去,当他距车站x=50m时发现一辆公交车(可视为质点)正以v2=10m/s速度从身旁的平直公路同向驶过,为了能够乘上该公交车,他立即匀加
- 4如图,直线AB与CD相交于点O,OE平分∠BOD,∠EOF=90°,一直∠AOC=36°,求∠BOF的度数
- 5KCLO3+KI+H2SO4→K2SO4+I2+KCL+H2O配平
- 6she decided it would be fun to read to elderly people in her community
- 7Use a drawing of the system that is being analyzed 请问that引导的定语从句先行词是图还是系统
- 8why don't you like winter in beijing --because it is ____ that in guangzhou.
- 9一篇关于大自然的启示的作文
- 10take walk a through garden they every the day,连词