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Nobel was upset to find out not that he had died.翻译
一等腰三角形的周长为20,底边长y是关于腰长x的函数,它的解析式和定义域是
I'd like to have some chicken for d______this evening. My pa
初二英语首字母填空急!Visitors to Edinburgh in Scotland are amazed and
1、Is that a grey pencil?(作否定回答 ) 2、This is (a tiger).(对括号部分提
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故国神游,多情应笑我,早生华发。_______________,_______________。
从海水中提取溴的反应原理是5NaBr + NaBrO3 + 3H2SO4 == 3Br2 + 3Na2SO4 + 3H2O,下列反应的原理与上述反应最相似的是
—How tall are you? —I'm____tall. [ ]
先化简,再求值:(X+2Y)(X-2Y)-(2X-Y)(-2X-Y),其中X=8,Y=-8
y = cos3 x + sin2 x - cos x 的最大值为