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- 1一种医用酒精,酒精与水的比是三比四. 一.配制350克医用酒精溶液,需纯酒精几克. 二.容器中现有12克纯酒
- 2I hear we will have a new English teacher this term.Really?o ou know _______?
- 3①直线上任意两点的部分叫做().②一个等腰三角形有两条边分别长3cm和7cm,它的周长是()cm.
- 4Not only their parents but also their English teacher is strict with them.【改为同义句】
- 5如图,AD=DE=EC,F是BC的中点,G是FC的中点.已知三角形ABC的面积是24平方厘米,则阴
- 6在三角形ABC中,如果lga-lgc=lgsinB=-lg√2且B为锐角,试判断此三角形的形状.
- 7We play volleyball every afternoon.
- 8有依次排列的三个数2,7,6,对相邻的两个数都用右边的数减去左边的数,所得的差写在这两个数中间,可产生一个新数串:2.,5,7,-1,-6.,这是第一次操作;第二次操作也可产生一个新数串:2,3,5,2,7,-8,-1,7,6.继续依次操作
- 9父亲的爱
- 10(1/2)将I think we should say no to the students who waste things every da