菜鸟求公式,当A1=1,A2=28,A1=2 A2=40,A1=3 A2=30,A1=4 A2=60 ,A1=5 A2=
三个正整数a1,a2,a3,且a1+a2+a3=a1×a2×a3,a1≥1,a2≥2,a3≥3,求a1,a2,)
设a1,a2,a3为正数,求证a1*a2/a3+a2*a3/a1+a3*a1/a2>=a1+a2+a3
证明恒等式a1/a2(a1+a2)+a2/a3(a2+a3)+……+an/a1(an+a1)=a2/a1(a1+a2)+
公式 =vlookup(A1,A2:B3,2,
main() { int a1,a2,x; a1=10;a2=20;x=a1*a2; printf("a1=%d,a2+
正数a1,a2,a3两两不等,且a2-a1=a3-a2,求证1\(√a2+√a1)+1\(√a2+√a3)=2\(√a1
A1 10-1 A2 A3=IF(A2="","TODAY()-A1+1",A2-A1),today()-A1+1怎么不
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
设a1,a2,b1,b2都是实数,a1不等于a2,满足(a1+b1)(a1+b2)=(a2+b1)(a2+b2)=1,求
设a1不等于a2(a1+b1)(a1+b2)=(a2+b1)+(a2+b2)=1证明(a1+b1)(a2+b1)=(a1
EXCEL 根据A1 A2 两个数字得出B1的值 条件:当A1大于A2时 B1=A2 当A1小于等于A2时 B1=A1
matlab 表示一组向量S={a1,a1,a1...(T1个a1),a2,a2,...(T2个a2),.an,an,.