0.045
0.12
0.038
0.24
第1题:
0.045
0.12
0.038
0.24
第2题:
0.001,0.002,0.006,0.024,( )。
A.0.045
B. 0.12
C. 0.038
D.0.24
做商二级等差数列。原数列的后一项除以前项一项得到一个公差为1 的等差数列,即:2,3,4,故接下来一项为5,则空缺项应为0.0024×5=0.12。
第3题:
0.001,0.002,0.006,0.024,( )
A.0.038
B.0.045
C.0.12
D.0.24