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- 1二次函数y=ax2+bx+c(a≠0)的图象如图所示,若M=a+b-c,N=4a-2b+c,P=2a-b.则M,N,P中,值小于0的数有( ) A.3个 B.2个 C.1个 D.0个
- 2英语翻译
- 3it is said that the female thiefthey caught was fined five times ____ that she should have paid.
- 4视的近义词,并且写一条包含这两个词的成语
- 5they want to buy some sugar,m—— and costumes
- 6若代数式2x的平方+3y的值为—5,求代数式6x的平方+9y+8的值.
- 7老舍我的母亲读后感600字
- 8用所给单词适当形式填空A:()he()(finish)his homework?B:yes,he().He()(do)it at school.
- 9将白色氢氧化镁加到氯化铁溶液中有红褐色沉淀生成.请写出反应的化学方程式
- 10we don't have robots in our homes ______( to do / will do)many jobs 请说出原因