例:1,4,3,40,( ) A.80 B.81 C.120 D.121例:3,4,11,43,472,( ) A.94
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例:1,4,3,40,( ) A.80 B.81 C.120 D.121例:3,4,11,43,472,( ) A.944 B.1416 C.4720 D.20295以上是我遇到的难题.请写出详细的推理过程.
1,4,3,40,( 121)A.80 B.81 C.120 D.121各项都除以3,余数是1,1,0,1,1,...例:3,4,11,43,472,(20295 )A.944 B.1416 C.4720 D.20295前项乘以后项减去1为后面一项3*4-1=114*11-1=4311*43-1=47243*472-1=20295 "
选择:9,1,4,3,40,() A.81 B.80 C.121 D.120
9,1,4,3,40,()A 81 B 80 C 121 D 120
9,1,4,3,40,( )A.81 B.80 C.121 D.120
两道数字推理题9,1,4,3,40( )A 81B 80C 121D 12056,66,78,82,( )A 98B 1
一道数量关系题,9,1,4,3,40,(A.81 B.80 C.121 D.120
9,1,4,3,40,( ) A.81 B.80 C.121 D.120,
9,1,4,3,40,( ) 下一个数字是多少?A 80 B 81 C 120 D 121 选那个?
设a,b,c,d为正数,求证(a+c/a+b)+(b+d/b+c)+(c+a/c+d)+(d+b/d+a)≥4
数字推理:9,1,4,3,40,() A 80 B 81 C 120 D 121 答案为D,我思考了一个月不得其解,请高
9,1,4,3,40,( ) A.81 B.80 C.121 D.120答案C,请问过程,谢谢
有四个数从小到大排列是A、B、C、D,B-A=3,C-B=11,D-A=27,(A+B+C+D)÷4=70,那
求齐次线性方程组 (1)A-8B+10C+2D=0 2A+4B+5C-D=0 3A+8B+6C-2D=0 (2) A+B