1
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涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
10
灏忛锛屾瘡灏忛
4
鍒嗭紝婊″垎
40
鍒嗭級
1
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4
鍒嗭級锕?/p>
2
鐨勭粷瀵瑰�兼槸锛?/p>
锛?/p>
A
锛庯梗
2 B
锛庯梗
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锛?
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锛?/p>
2
2
锛庯紙
4
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0.000075
鍗冨厠浠ヤ笅锛庡皢
0.000075
鐢ㄧ瀛﹁鏁版硶琛ㄧず涓猴紙
锛?/p>
A
锛?/p>
7.5
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10
5
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7.5
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10
锕?/p>
5
C
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0.75
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10
锕?/p>
4
D
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75
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10
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6
3
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4
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a
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梅
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4
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3
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4
锛庯紙
4
鍒嗭級涓嶇瓑寮忕粍
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A
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B
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C
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5
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4
鍒嗭級濡傚浘锛屾按骞虫斁缃殑鍑犱綍浣撲腑锛屼富瑙嗗浘涓嶆槸闀挎柟褰㈢殑鏄紙
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A
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6
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4
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1
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2
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浠绘剰鎽稿嚭
1
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锛?
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锛?
C
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D
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1
7
锛庯紙
4
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涓ょ鍚勬牻涓�妫碉紝骞朵笖姣忎袱妫垫爲鐨勯棿闅旂浉绛夛紟濡傛灉姣忛殧
5
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1
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21
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6
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1
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x
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A
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5
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1
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=6
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x
锕?/p>
1
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B
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5
锛?/p>
x
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21
锛?/p>
=6
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x
锕?/p>
1
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C
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21
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1
锛?/p>
=6x
D
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5
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21
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=6x
8
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锛?/p>
4
鍒嗭級
鑻ョ偣
A
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2
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y
1
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銆?/p>
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1
锛?/p>
y
2
锛?/p>
銆?/p>
C
锛?/p>
1
锛?/p>
y
3
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y=
鐨勫浘璞′笂锛?/p>
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锛?/p>
A
锛?/p>
y
1
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y
2
锛?/p>
y
3
B
锛?/p>
y
3
锛?/p>
y
2
锛?/p>
y
1
C
锛?/p>
y
2
锛?/p>
y
1
锛?/p>
y
3
D
锛?/p>
y
1
锛?/p>
y
3
锛?/p>
y
2
