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- 1从1开始,依自然数的顺序1,2,3,4,5,6,.,10,11,12,.,20,21,22,.,一直写到2222,2
- 2已知三角形的两边分别为2和4,第三边长为x,化简根号(x²-4x+4)-根号(1/4x²-3x+90)
- 3这是你需要了解的餐桌礼仪 英文翻译 Here are some —— ——— you need to ——— ———
- 4She can get to Beijing on time.(改为同义句)She can ___ ___ Beijing on time
- 55公顷3平方米等于多少公顷?
- 6这是什么字?三点水旁加一个童~
- 7I've made some coffee.would you like ___?That would be fine A.some B.any C.no D.many
- 8照例子写:雪花从天空中飘下来.小河从______________?怎样填空
- 9简便方法计算:(1)88²-12² (2)2013²-2013×2010
- 10we,they,he,you,she,they的形物代是什么?