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最新问答: 8x+9y=6 24x+25y=14 怎么解 用深组一个成语深在前面用深深组一个成语深在前面 解关于x的不等式 2ax+8>3+x 英语翻译一、实验准备实验仪器、药品、材料:棉线,丝线200ML烧杯两个,硬纸片一张、滤纸若干、酒精灯一个、石棉网、带铁圈 he took her by a hand and led her into a dark room的意思是什么 解方程:3/2x+6/5=3 什么是有序实数?请仔细说明 全世界都知道,形容非常著名用四字成语怎么表达 0.36-x =0.12怎么解方程 一定温度下,有可逆反应3Fe(s)+4H 2 O(g)⇌Fe 3 O 4 (s)+4H 2 (g)△H>0,以下说法正确 .You are my sky my one...My only everything...I will protect e^(x+y)-xy=1,求y''(0) 100/9化为带分数 为什么天空和大海是蓝色的? 谁拿走了我昨天买的那张报纸?用英语怎么说 Who has taken away———————————————. She's never been to Xi'an.(反意疑问句)She's never been to Xi'an,_ 语文6年级小作文要几个自然段? writing paper 是可数名词? 读数学有什么感觉? _____he will return to his native land.