1.a()theagreementof a time and place for meeting;a meeting at an agreed time and place2.e() get free;get away;find a way out3.p()not honest;not willing to tell truth

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1.a()theagreementof a time and place for meeting;a meeting at an agreed time and place2.e() get free;get away;find a way out3.p()not honest;not willing to tell truth

1.a()theagreementof a time and place for meeting;a meeting at an agreed time and place2.e() get free;get away;find a way out3.p()not honest;not willing to tell truth
1.a()theagreementof a time and place for meeting;a meeting at an agreed time and place
2.e() get free;get away;find a way out
3.p()not honest;not willing to tell truth

1.a()theagreementof a time and place for meeting;a meeting at an agreed time and place2.e() get free;get away;find a way out3.p()not honest;not willing to tell truth
1.appointment
2.escape
3.pretend

1,appointment
2,escape
3, pretend

1.a()theagreementof a time and place for meeting;a meeting at an agreed time and place2.e() get free;get away;find a way out3.p()not honest;not willing to tell truth 请你填出题中a所表示的数,使等式成立.1.a-a=a×a a=( )2.a×a=a÷a a=( )3.a+a=a÷a a=( )4.a+a=a×a a=( ) 1.化简.(1).【[(a+2)/(a^2-2a)]+[8/(4-a^2)]】/【(a-2)/a】 1.已知a是有理数,则|a-2001|+|a-2002|的最小值是多少?2.设x,y,a都是整数,|x|=1-a,|y|=2+2a-a×a,则a=?3.已知a=1999,则|3×(a×a×a)-3×(a×a)+4a+1|-|3×(a×a×a)-3×(a×a)+3a-2001|=?4.有理数a,b,c均不为0,且a+b+c=0,设 1.已知a是有理数,则|a-2001|+|a-2002|的最小值是多少?2.设x,y,a都是整数,|x|=1-a,|y|=2+2a-a×a,则a=?3.已知a=1999,则|3×(a×a×a)-3×(a×a)+4a+1|-|3×(a×a×a)-3×(a×a)+3a-2001|=?4.有理数a,b,c均不为0,且a+b+c=0,设 例( )g( ) egg 下面开始1.a ( ) 2.( ) a ( ) 3.( ) ( ) a ( ) 4.( ) ( ) ( ) a ( ) 5.( ) ( ) ( ) ( ) a ( ) 6.( ) ( ) ( ) ( ) ( ) a ( ) 7.( ) ( ) ( ) ( ) ( ) ( )a ( ) 8.( ) ( ) ( ) ( ) ( ) ( ) ( ) a ( ) 这是一部分` `下一个 1.( ) ( ) ( ) ( 计算:(a/a-b-a²/a²-2ab+b²)÷(a/a+b-a²/a²-b² )+1. 1.解分式{【(a*a)/(a+2)】+2}*【1/(a*a-2a)-1/(a*a*a*a-8a)-2/(a*a*a+2a*a+4a)*表示乘号2.已知三角形ABC,角B的角平分线交角A的外角平分线于点D,连接DC.求证BD+DC大于AB+AC. 线性代数矩阵行列式问题:A是矩阵:第一行是1 a a ...a第二行是a 1 a ...a 第三行是a a 1...a 第N行是 a a a ...1 那么A的行列式怎么变成:【(n-1)a+1】乘以行列式:第一行1 1 1 ...1第二行a 1 a ...a 第 设A是数集 满足a∈A 则有1/(1-a)∈A 1..若2∈a,证明A中至少含有 3个元素 2.证明:若a∈A 则1-(1/a)∈A 计算(12a³-6a²+3a)÷3a-1. 1.求和 1+a^2+a^4+a^6+...+a^2n(n属于正整数) 判断1.√16^4=4a^2 2.√5a*√10a=5√2*a 3.a√1/a=√a^2.1/a=√a 4.√3a-√2a=√a3.a√1/a=√a^2再乘1/a(同一根号)=√a (A+A)+(A-A)+(A×A)+(A÷A)=81 ,A是多少? 方程...判断题1.a+a+a+a=4a.( )2.所有等式都是方程.( ) 秒采最佳求计算代数式 1.a-a÷(1+a%)2.a÷(1-25%)-a ()1.This is () pear and that is () apple.A.a,an B.a,a C.an,a 将多项式-a平方+a立方+1-a按字母a升幂排列正确的是( )1.a立方-a平方-a+12.-a-a平方+a立方+13.1+a立方-a平方-a4.1-a-a平方+a立方(有些不能打出来,用文字,请见谅,要说清楚为什么!)