设a1,a2,a3,a4,a5,为正整数,A={a1,a2,a3,a4,a5},B={a1²,a2²
设a1,a2,a3,a4,a5,为正整数,A={a1,a2,a3,a4,a5},B={a1²,a2²
设a1,a2,a3,a4,a5为自然数,A={a1,a2,a3,a4,a5},B={a1²,a2²,a3²,a4²,a5
设a1 a2 a3 a4 a5为自然数,A={a1 a2 a3 a4 a5},B={a1^ a2^ a3^ a4^a5^
设a1,a2,a3,a4,a5为自然数,A={a1,a2,a3,a4,a5},B={a1^2,a2^2,a3^2,a4^
设A=(a1,a2,a3,a4,a5),a1,a3,a5线性无关,a2=3a1-a3-a5,a4=2a1+a3+6a5,
设a1,a2,a3,a4,a5为自然数,A={a1,a2,a3,a4,a5},B={a12,a22,a32,a42,a5
设集合A=﹛a1,a2,a3,a4,a5},B={a1²,a2²,a3²,a4²
数学爱好者请进设a1,a2,a3,a4,a5,为自然数,A= {a1,a2,a3,a4,a5,},B={a12,a22,
已知a1、a2、a3、a4、a5为非负有理数,且M=(a1+a2+a3+a4)(a2+a3+a4+a5),N=(a1+a
关于数列 急 若等比数例满足:a1+a2+a3+a4+a5=3 a1²+a2²+a3²+a
等差数列中a1+a2+a3+a4+a5=3,a1*a1+a2*a2+a3*a3+a4*a4+a5*a5=12求a1-a2
已知集合a={a1,a2,a3,a4},B={a1^,a2^,a3^,a4^}其中a1,a2为正整数