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锛堟椂闂?/p>
90
鍒嗛挓锛屾弧鍒?/p>
100
鍒嗭級
鑰冪敓濮撳悕锛?/p>
鑰冭瘯鏃堕棿锛?/p>
寰楀垎锛?/p>
涓�銆佽鐪熼�変竴閫夈�?/p>
锛堟瘡棰?/p>
3
鍒嗭紝鍏?/p>
30
鍒嗭級
1
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锛?/p>
A
锛?
B
锛?/p>
C
锛?/p>
D
锛?/p>
2
锛庣帇甯堝倕鐢?/p>
4
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灏戣繕瑕佸啀閽変笂鍑犳牴鏈ㄦ潯锛燂紙
锛?/p>
A
锛?/p>
0
鏍?/p>
B
锛?/p>
1
鏍?/p>
C
锛?/p>
2
鏍?/p>
D
锛?/p>
3
鏍?/p>
3
锛?/p>
濡備笅鍥撅紝
宸茬煡
鈻?/p>
ABE
鈮屸柍
ACD
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鈭?/p>
1=
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2
锛?/p>
鈭?/p>
B=
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C
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涓嶆纭殑绛夊紡鏄?/p>
锛?/p>
锛?/p>
A
锛?
AB=AC
B
锛庘垹
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鈭?/p>
CAD
C. BE=DC
D
AD
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DE
锛堢
2
棰橈級
锛堢
3
棰橈級
(
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4
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)
4
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伪
+
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尾
鐨勫害鏁版槸锛?/p>
锛?/p>
A
锛?
180
掳
B
锛?/p>
220
掳
C
锛?/p>
240
掳
D
锛?/p>
300
掳
5
锛庝笅鍒楄绠楁纭殑鏄紙
锛?/p>
A
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2
a+3b=5ab
B
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锛?/p>
x+2
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2
=x
2
+4
C
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ab
3
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2
=ab
6
D
锛?/p>
锛?/p>
锕?/p>
1
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0
=1
6
锛庝笅鍒楀紡瀛愬彉褰㈡槸鍥犲紡鍒嗚В鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
x
2
锕?/p>
5x+6= x
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x
锕?/p>
5
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+6
B
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x
2
锕?/p>
5x+6=
锛?/p>
x
锕?/p>
2
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锛?/p>
x
锕?/p>
3
锛?/p>
C
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锛?/p>
x
锕?/p>
2
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锛?/p>
x
锕?/p>
3
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= x
2
锕?/p>
5x+6
D
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x
2
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5x+6=
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x+2
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锛?/p>
x+3
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7
锛庤嫢鍒嗗紡
鏈夋剰涔夛紝鍒?/p>
a
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>