火箭助推器
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若函数f(x)的定义域为【0.4】求f(x2)的定义域
Circle as many words as possible and write them
Listen and circle the words that have the sound in
listen and write the 快
等质量的下列物质物质的量最大的是 氧气 甲烷 二氧化碳 氢气
设函数f(x)是定义域在r上的函数,对一切x属于r均有f(x)+f(x+2)=0,当-1<x≤1时,f(x)=2x-1,求1<x≤3时,函数的解析式
There is a boy in the picture
there is a picture on the wall.改成复数句
There is a boy under the tree 否定句怎么写
Please______at the picture.______!There is a boy under the tree.【用watch,read或see填空】
on the photo对吗,应该是in the photo吧,可不可以这样写:There is a child in the photo in picture A
水中含有___分子,氢气中含有___分子,氧气中含有___分子.那么,水电解过程中分子变化是_____
函数y=ln(-X^2+X+2)/X的定义域函数y=ln(-X^2+X+2)/X的定义域 x要不等于0吗
函数y=√(9-x^2)/ln(x-1)的定义域是?
函数y=√4-x + ln(x-2)定义域为?(A)(0,4) (B)(2,4] (C)(2,4) (D)(2,+无极限)
求2个氧分子物质的量和质量 2g氧气的分子个数与物质的量 2mol氧气的分子个数与质量
There is a bottle under the tree.划线提问(a划线)
Is the baseball under table.错在哪
the cat is (under the table).对括号中的部分提问
1.Peter found (a wallet) under the table.(划线提问,在()里) ___ ___Peter___under the table?
a²/a-1-a-1?
(-2)的2010次方乘以(-7)的2009次方乘以(-143)的2008次方乘以(1/2002)的2008次方的答案是多少?
计算(a^1/2+b^1/2)²=?
用in over under on in in front near 篇作文 60字就够了
4x^2-8x因式分解
The man ___ Mr Zhao is my favouriter teacher.介词填空 on ,in ,near ,over ,under ,behind,in front
4x^2-8x-3因式分解
一元一次方程 (28 12:27:7)1. 1-(2x-5)分之6=(3-x)分之42. (1.5x-1)分之3-x分之0.6=0.53. (y+2)分之4-(2y-3)分之6=0注意:里面是括号没有的,可是第
代数法 甲数除以乙数,商是13,余数是3,已知甲数比乙数多135,求甲乙两数个是多少?
数学初一一元一次方程的习题并给答案 只要不是填空题就可以了 好了我有财富!
用in,on,near,between,next to,behind,in front of,用in,on,near,between,next to,behind,in front of,in the front of,above,under
看图,选择in、on、under、behind、next、to完成句子.1.The cat is _____________the chair.2.The shoes are _____________the bed.3.The magazine is _____________the box.4.The chair is ________________the bed.5.The box is _________________the bed