内容正文:
强化课
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V
12
3]4
5678
910
1112
13
14
2
15
16
17
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3
2.1.957的计算结果精确到个位的近似值为()
A.106B.107V
C.108D.109
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课后达标检测
V
1
2
3
4
5678910
111213
14
4
15
16
17
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4.已知(x+1)(2x一1)6展开式中x5的系数为48,
W1B.-1
C.2D.-2
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5
则实数a=(
)
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1
2
3
4
56789
101112
13
14
6
15
16
17
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L
1
2
3
4
56
7
89
10111213
14
7
15
16
17
课后达标检测
1
2
3
4
56
7
89
10111213
14
8
15
16
17
课后达标检测
1
2
3
4
56789
101112
13
14
9
15
16
17
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1
2
3
456789101112
13
14
10
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