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- 1英语翻译
- 2阅读材料:求1+2+22+23+24+…+22013的值. 解:设S=1+2+22+23+24+…+22012+22013,将等式两边同时乘以2得: 2S=2+22+23+24+25+…+22013+22014 将下式减去上式得2S-S=2
- 31、 对任意自然数a、b,规定a*b=a/2+20/b,计算(18*4*(10*4)
- 4Do you have enough men to carry these chairs no,i think we need___men拜托了各位
- 5练词成句 happen what there they see would to stayed
- 6what can i do for you ?的答语可以是yes,please,i'd some soup吗?
- 7:肺与外界进行气体交换的过程叫呼吸运动. A.正确 B.错误
- 8填空题 That day the weather ________(be not )hot or cold.
- 9what would you like?i'like some noodles.what _on it?potato,chicken and cabbage
- 10“界”的字体结构是什么?1:独体字 2:上下结构