A.2 | B.3 | C.4 | D.5 |
89+88+92+90+x+93+92+91 |
7 |
. |
x |
. |
x |
A.
| B.
| ||||||||
C.
| D.
|
A.10 | B.20 | C.8 | D.16 |
A.乙同学比甲同学发挥的稳定,且平均成绩也比甲同学高 |
B.乙同学比甲同学发挥的稳定,但平均成绩不如甲同学高 |
C.甲同学比乙同学发挥的稳定,且平均成绩也比乙同学高 |
D.甲同学比乙同学发挥的稳定,但平均成绩不如乙同学高 |
A.2160 | B.2880 | C.4320 | D.8640 |
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