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1. 2,9/8,28/27,65/64, ( )
A. 126/125 B.82/81 C.66/65 D.112/111
2. 186, 114, 150, 132, 141, ( )
A.123 B.132 C.136.5 D.143
3. 100 , ( ) , 64
, 49
, 36
A.81 B.81
C.82 D.81
4. 15, 5, 3,5/3, ( )
A. 9/5 B. 27/5 C.15/9 D.9/15
5. 512, 422, 413, 332, 233, ( )
A.151 B.126 C.108 D.206
6. 3, 8, 15, ( ), 35
A.24 B.22 C.20 D.18
7. 98%, 96%, 92%, 84%, 68%, ( )
A.22% B.34% C.36% D.42%
8. 2, 3, 7, 12, 22, 41, 75, ( )
A.126 B.128 C.132 D.138
9. 165, ( ), 117, 109, 105, 103
A.125 B.127 C.131 D.133
10. 1+ ,
+2, 3+
, ( ), 9+
A.6 B.3+ C.3
+2
D.3+2
参考答案见下页