1
鍏勾绾ф瘮鍜屾瘮渚?/p>
(1)
1.4:
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锛?/p>
=
飥?/p>
飥?
1
2
=
锛?/p>
锛壝?/p>
12=0.8=
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锛?/p>
%=
锛?/p>
锛?/p>
:
锛?/p>
锛?/p>
2.
寤虹瓚宸ュ湴璁″垝杩愯繘涓�鎵规按娉ワ紝绗竴娆¤繍鏉ユ�绘暟鐨?
4
1
锛岀浜屾杩愭潵
180
鍚紝杩?/p>
鏃惰繍鏉ョ殑涓庢病鏈夎繍鏉ョ殑鍚ㄦ暟姣旀槸
4:3
锛屽伐鍦拌鍒掕繍杩涙按娉ュ灏戝惃锛?/p>
3.
宸茬煡
a:b=c:d
锛岀幇灏?/p>
a
鎵╁ぇ
2
鍊嶏紝
b
缂╁皬鍒板師鏉ョ殑
2
1
锛?/p>
c
涓嶅彉锛?/p>
d
搴?/p>
锛?/p>
锛夋墠鑳戒娇姣斾緥寮忎粛鎴愮珛銆?/p>
4.
鍦?/p>
1
銆?/p>
2
銆?/p>
3
銆?/p>
4
銆?/p>
6
銆?/p>
8
銆?/p>
12
銆?/p>
16
杩欏叓涓暟涓紝鍝簺鏁拌兘缁勬垚姣斾緥銆?/p>
锛堢瓟妗堟湁澶?
缁勶紝鑷冲皯鍐欏嚭鍏朵腑鐨勪袱缁勶紝鍗?/p>
8
涓瘮渚嬪紡銆?/p>
锛?/p>
5.
鍦ㄤ竴涓瘮渚嬪紡閲岋紝绗竴涓瘮鏄渶绠�鏁存暟姣旓紝
涓旀瘮鍊兼槸
0.75
锛?/p>
涓や釜鍐呴」鐨勪箻绉?
鏄?/p>
60
锛岃繖涓瘮渚嬪紡鏄紙
锛?/p>
銆?/p>
6.
鍦ㄦ瘮渚嬪昂
5000
1
鐨勫湴鍥撅紝閲忓緱涓�闀挎柟褰㈠湴闀?/p>
3.2
鍘樼背锛屽
1.2
鍘樼背锛岃繖鍧楀湡
鍦板疄闄呯殑闈㈢Н鏄灏戯紵
绗竴閮ㄥ垎
蹇呭仛棰?/p>
1.(
鈽?/p>
)
涓や釜姝ｆ柟浣撴１闀跨殑姣旀槸
2:3
锛岃繖涓や釜姝ｆ柟浣撳簳闈㈢Н鐨勬瘮鏄紙
锛?/p>
:
锛?/p>
锛?/p>
锛屼綋绉瘮鏄紙
锛?/p>
:
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锛?/p>
銆?/p>