1
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锛?/p>
100
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120
鍒嗭級
鐝骇锛?/p>
濮撳悕
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涓�銆侀�夋嫨棰橈紙姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
24
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1
锛?/p>
4
鐨勭畻鏈钩鏂?/p>
鏍规槸锛?/p>
锛?/p>
A
锛?/p>
4
B
锛?/p>
2
C
锛?/p>
2
D
锛?/p>
2
飩?/p>
2
锛庡湪缁欏嚭鐨勪竴缁勬暟
0
锛?/p>
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锛?/p>
5
锛?/p>
3.14
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3
9
锛?
7
22
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锛?/p>
A
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1
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锛?/p>
2
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3
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D
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5
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3
.
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1
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2
锛?/p>
锛屼笖
y
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x
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锛?/p>
A
锛?/p>
4
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飥?/p>
x
y
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1
3
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飥?/p>
x
y
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锛?/p>
1
3
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飥?/p>
飥?/p>
x
y
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4
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x
y
4
.
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6
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锛?/p>
7
锛?/p>
5
锛?/p>
6
锛?/p>
4
锛?/p>
8
锛?/p>
6
锛屽鏋滆鐝湁
45
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锛?/p>
A
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B
.
225
C
.270
D
.315
5
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A
锛?/p>
16
=
卤
4
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16
=4
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3
27
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= -3
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2
(
4)
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2
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A
锛庡皢鍘熷浘鍚戝乏骞崇Щ涓や釜鍗曚綅
B
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鐐瑰绉?/p>
C
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D
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y
杞村绉?/p>
7
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y
=
x
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A
锛?/p>
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x
杞存鏂瑰悜鎴?/p>
45
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C
锛?/p>
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x
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0
锛?/p>
6
锛?/p>
8
锛庡鍥撅紝鐐?/p>
O
鏄煩褰?/p>
ABCD
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E
鏄?/p>
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鐐?/p>
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O
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=3
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=
A
锛?/p>
2
3
B
锛?/p>
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!
C
锛?/p>
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!
D
锛?/p>
6
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3
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24
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9
.
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,
13
,
15
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AB
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,
12
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10
.
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a
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8
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.
11.
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y=ax+b
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y=kx
浜や簬鐐?/p>
P
锛?/p>
-4
锛?/p>
-2
锛?/p>
锛屽垯鍏充簬
x
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y
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浜屽厓涓�娆℃柟绋嬬粍
,
y
ax
b
y
kx
飥?/p>
飥?/p>
飪?/p>
飪?
飥?/p>
飪?/p>
鐨勮В鏄?/p>
________
锛?/p>
12.
锛庡洓鏍瑰皬鏈ㄦ鐨勯暱鍒嗗埆涓?/p>
5
cm
锛?/p>
8
cm
锛?/p>
12
cm
锛?/p>
13
cm
锛屼换閫変笁鏍圭粍鎴愪笁瑙掑舰锛屽叾涓湁
________
涓洿瑙掍笁瑙掑舰锛?/p>
13.
宸茬煡
O
锛?/p>
0
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0
锛?/p>
锛?/p>
A
锛堬紞
3
锛?/p>
0
锛?/p>
锛?/p>
B
锛堬紞
1
锛?/p>
锛?/p>
2
锛?/p>
锛屽垯
鈻?/p>
AOB
鐨勯潰绉负
______
锛?/p>
A
B
C
D
E
O
锛堢
8
棰樺浘锛?/p>
(
绗?/p>
11
棰樺浘
)