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- 1已知半径为rcm的圆的面积等于半径为2cm和3cm的两个圆的面积之和,则r=_.
- 2we often play basketball _ an hour after school.(填介词)
- 3多项式8x-x^4和x^5-16x和x^4-4x^3+4x^2的公因式是:
- 4如图,C在直线BE上,∠ABC与∠ACE的角平分线交于点A1, (1)若∠A=60°,求∠A1的度数; (2)若∠A=m,求∠A1的度数; (3)在(2)的条件下,若再作∠A1BE、∠A;1CE的平分线,交于点A2;再
- 5Would you love to play basketball with us?(作出肯定回答)
- 6把一根长为24厘米的铁丝焊接成一个最大的正方体模型,表面积是?体积是?
- 7六年级上册语文第四单元漫画作文
- 8I am going to go shopping 改为一般疑问句
- 9知道的说一下He didn't go to the park yesterday.his parents didn't go.either.的同义句
- 10一元二次方程ax^2+bx+c=0的两根为x1和x2求: