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- 1世界上的一切光荣和骄傲,都来自母亲 造句
- 2化简 6a+13a 6x-28-2.5x+30.5 8a-(5a+8) (5x+7)-(4x+0.18)
- 3our school is in the centre of the city同义句
- 4They go to school on foot every day.把这句话用how提问.
- 5翻译what's your favourite food
- 6甲乙两桶油重相等,甲桶取走26千克,乙桶加入14千克,这时,乙桶是甲桶油重量的6倍.问两桶油原来各有多少
- 7圆心在抛物线y^2=4x(y>0)上,并且与抛物线的准线及x轴都相切的圆的方程是
- 8如果两圆相离,那么两圆方程相减得出的应该是两圆圆心连线的中垂线怎么证明
- 9We'd ( ) ( ) be late for school.
- 10计算(用科学计数法表示)(1)3.7×10的四次方+2.3×10的四次方