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- 1There are 5 magazines on the shelf,two of them are in Chines,( ) three are in English 填the other
- 2某班有名学生,语文测验中有41人及格,数学测验中有38人及格,如果语文、数学都不及格的有11人,都及格的有多少人?
- 3x+2（m-3）x+16是完全平方公式,则m的值为?
- 4His advice has made the design better than it ________.
- 51.It took me two hours to finish the work(改为同义词句） I( ) two hours( )the work 2.He hardly ever
- 6硫酸铜与铁反应为什么会产生无色气体
- 7The room is too dark to see ________.
- 8在三角形ABC中,已知BC的绝对值等于2,AB的绝对值除以AC的绝对值等于M,求点A的轨迹方程
- 91.两个数的最大公因数是15,最小公倍数是10,求这两个数 2.分子加分母等于60,约分后等于3分之2,
- 10甲袋2个白球1个黑球,乙袋白球1个黑球2个,丙袋白球2个黑球2个,选出一个袋子从中取一球,问取出是白球的概率