故乡的水墨画硬笔书法
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三道英文数学题1.each of a,b,c,d and e either always lies or is always truthful,and they know which each of them is.a says b is a liarb says that c is a liarc says that d is a liard says that e is a liarThe largest possible number of liars amon
翻译:1、我不再吃油炸食物了.I _____ eat fried food _____ ______.2、如果你想健康一点.If you want to be _____3、Sandy每周去一次图书馆.Sandy goes to the library ______ ______ ______.一个正方形纸片,先剪下一个宽
2002*20032003-2003*20022002
20022002*2003-20032003*2002=?
2002×20032003-2003×20022002的值是
2003*20022002-2002*20032003步骤!
已知(7x-y-a)²+(x-12)的绝对值=0,当y>0,时a为何值.
已知(x-y)²+|5x-7x-2|=0,求x,y的值
已知x²-y²=12,x+y=6,求x,y的值
已知(x²+y²)(x²-1+y²)-12=0,求x²+y²得值 已知(x²+y²)(x²-1+y²)-12=0,求x²+y²得值尽快回答,
挑战奥数(2008+20082008+200820082008)/(2000+20002000+200020002000)+2008/2000
2008+20082008+200820082008/2000+20002000+200020002000+2000
2008/2000+20082008/20002000+200820082008/200020002000+2008/2000=
2000+20002000+200020002000分之2008+20082008+200820082008+2000分之2008=?
数奥题:2008+20082008+200820082008/2000+20002000+200020002000 +2008/2000=?
比较实数x²与x的大小.
已知实数x满足(x²-x)²-4(x²-x)-12=0,求x²-x+1的值?
已知实数x满足x²+x
设全集是实数集R,A={x|2x²-7x+3≤0}……设全集是实数集R,A={x|2x²-7x+3≤0},B={x|x²-4<0},求A∩B和A∪B.
333 555是什么成语
333 555 是什么成语?
333 555是啥成语
若x^2-7x+1=0,求x^2-1/x^2
计算:2002×20032003-2003×20022002
x^2-7x+1=0求x^2+x^-2
因式分解(X的平方-2X)(X的平方-2x+4)+3
4(x的平方+2x)的平方-4 (因式分解)
(x平方+2x)平方-3(x平方+2x)-4 因式分解
2002乘20032003减2003乘20022002
20022002乘2003除(20032003乘2002)
x方-7x-18大于等于0
x的平方+7x-18等于多少?