4,5,15,6,7,35,8,9,( )
27
15
72
63
3,8,6,11,9,14,( ),( )
11,16
12,16
12,17
13,17
6,4,12,8,18,16,( ),( )
24,18
20,32
24,32
18,64
3×999+8×99+4×9+15的值是:
3866
3855
3840
3877
7,8,11,7,15,( ),19,5
8
6
11
19
1,2/3,5/8,13/21,( )
21/33
35/64
41/70
34/55
1,6,5,7,2,8,6,9,( )
1
2
3
4
7,4,14,8,21,16,( ),( )
20,18
28,32
20,32
28,64
设“*”的运算法则如下:对任何若a+b≥10,则a*b=a+b;若a+b<10,则a*b=ab。则(1*2)+(2*3)+(3*4)+(4*5)+(5*6)+(6*7)+(7*8)+(8*9)+(9*10)=
125
115
105
120
1,1,8/7,16/11,2,( )
36/23
9/7
32/11
35/22