a(a+ d)(a+ 2d)=8 ,a+(a+d)+(a+2d)=-3
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a(a+ d)(a+ 2d)=8 ,a+(a+d)+(a+2d)=-3
a(a+ d)(a+ 2d)=8 ,a+(a+d)+(a+2d)=-3
a(a+ d)(a+ 2d)=8 ,a+(a+d)+(a+2d)=-3
a+(a+d)+(a+2d)=-3可以算出a=-1-d代入a(a+ d)(a+ 2d)=8可以算出a和d的数值
a(a+ d)(a+ 2d)=8 ,a+(a+d)+(a+2d)=-3
计算A+(A+D)+(A+2D)+.+(A+99D)
求 方程组的解法a+(a+d)=8(a+d)^2=a[16-(a-d)]
方程组 1 a-d+(a+d)^2/a=16 2 2a+d=12
解方程3a+3d=18,a(a+d)(a+2d)=66
a+(a+d)+(a+2d)+(a+3d)+...+(a+10d)求
=SUMIF(A:A,801,D:D)+SUMIF(A:A,801-3,D:D)+SUMIF(A:A,801-1,D:D)+SUMIF(A:A,801-2,D:D)+SUMIF(A:怎样才能让801-1直接加到801-10
scanf(%d%d,&a,
解方程4a+6d=26和a.a+3a.d+2d.d=40
a=%d 是什么意思
已知集合A={a,a+d,a+2d},B={a,aq,a/q},若A=B,求d/a的值
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已知d>c a+b=c+d a+d
(a+d+c-d)(a-b+c+d)=?
(a+5d)²=(a+2d)(a+9d) a+3d=8求a和d
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