鐢ㄥ瓧姣嶈〃绀烘暟浣滀笟绾?/p>
缁冧竴缁?/p>
1
銆佺渷鐣ヤ箻鍙凤紝鍐欏嚭涓嬮潰鍚勫紡銆?/p>
4
脳
b=
锛?/p>
锛?/p>
x
脳
5=
锛?/p>
锛?/p>
a
脳
c=
锛?/p>
锛?/p>
1
脳
x=
锛?/p>
锛?/p>
x
脳
x=
锛?/p>
锛?/p>
2.
鍒ゆ柇銆?/p>
鈶?/p>
a
脳
1
鍐欎綔
a1
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锛?/p>
鈶?/p>
c
2
琛ㄧず
c+c
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锛?/p>
鈶?/p>
a
脳
b
脳
c
鍐欎綔
abc
鈥︹�︹�︹�︹�︹�︹�︼紙
锛?/p>
鈶?/p>
10
2
=20
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锛?/p>
鈶?/p>
2y
琛ㄧず
2
涓?/p>
y
鐩镐箻鈥︹�︹�︹�︹�︹�︹�︼紙
锛?/p>
鎷撳睍寤朵几
涓句竴鍙嶄笁
1.
鐩磋涓夎褰㈢殑涓�涓攼瑙掓槸
a
搴︼紝鍙︿竴涓攼瑙掓槸锛?/p>
锛夊害銆?/p>
2.
涓�浠朵笂琛?/p>
a
鍏冿紝涓�鏉¤￥瀛?/p>
70
鍏冿紝涔?/p>
100
濂楄。鏈嶄竴鍏辫鐢ㄥ灏戝厓锛?/p>
妫�娴嬭瘎浠?/p>
褰撳爞杈炬爣
1.
鐪佺暐涔樺彿锛屽啓鍑轰笅闈㈠悇寮忋�?/p>
y
脳
4
脳
y=
锛?/p>
锛?/p>
2
脳
h
脳
5=
锛?/p>
锛?/p>
a
脳
(b
锛?/p>
c)=
锛?/p>
锛?/p>
a
脳
3+c=
锛?/p>
锛?/p>
2.
浜旓紙
7
锛夌彮鏈夌敺鐢?/p>
30
浜猴紝濂崇敓
a
浜猴紝涓�鍏辨湁瀛︾敓锛?/p>
锛変汉銆?/p>
3.
涓�涓暟姣?/p>
c
灏?/p>
3.2
锛岃繖涓暟鏄紙
锛?/p>
銆?/p>
4.
姣忔湰鏁呬簨涔?/p>
鍏冿紝涔?/p>
5
鏈锛?/p>
锛夊厓銆?/p>
5.
鏈?/p>
y
鏀搮绗旓紝濂栧姳缁?/p>
9
涓鐢燂紝骞冲潎姣忎汉鍒嗗緱锛?/p>
锛夋敮銆?/p>
6.
鎶婄浉绛夌殑寮忓瓙杩炶捣鏉ャ�?/p>
10
2
2c
y
脳
x 10
脳
10
c+c b
b
脳
1 xy