2020骞撮櫆瑗垮叕鍕�(w霉)鍝¤€冭│鏁�(sh霉)閲忛棞(gu膩n)绯荤反缈�(x铆)(3鏈�18鏃�)
鐎忚
鏀惰棌
2020骞撮櫆瑗垮叕鍕�(w霉)鍝¤€冭│鏁�(sh霉)閲忛棞(gu膩n)绯荤反缈�(x铆)锛�
1.鏈�300鍚嶆眰鑱疯€呭弮鍔犻珮绔汉鎵嶅皥鍫存嫑鑱樻渻锛屽叾涓粺浠惰ō(sh猫)瑷堥銆佸競鍫寸嚐閵烽銆佽病鍕�(w霉)绠＄悊椤炲拰浜哄姏璩囨簮绠＄悊椤炲垎鍒ユ湁100銆�80銆�70鍜�50浜�銆傚晱鑷冲皯鏈夊灏戜汉鎵惧埌宸ヤ綔锛屾墠鑳戒繚璀変竴瀹氭湁70鍚嶆壘鍒板伐浣滅殑浜哄皥妤�(y猫)鐩稿悓?
A.71
B.119
C.258
D.277
2.鐢蹭箼浜屼汉鍗�(xi茅)鍟嗗叡鍚屾姇璩囷紝鐢插緸涔欒檿鍙栦簡15000鍏�锛屽苟浠ュ叐浜哄悕缇╅€�(j矛n)琛屼簡25000鍏冪殑鎶曡硣锛屼絾鐢变簬姹虹瓥澶辫锛屽彧鏀跺洖10000鍏�銆傜敳鐢变簬閬庡け鍦ㄥ繁锛屾効鎰忎富鍕曟壙鎿�(d膩n)鐨勬悕澶�銆傚晱鏀跺洖鐨勬姇璩囦腑锛屼箼灏囧垎寰楀灏戦將?
A.10000鍏�
B.9000鍏�
C.6000鍏�
D.5000鍏�
3.鏌愬厭绔ヨ棟琛�(sh霉)鍩硅〒(x霉n)涓績鏈�5鍚嶉嫾鐞存暀甯拰6鍚嶆媺涓佽垶鏁欏斧锛屽煿瑷�(x霉n)涓績灏囨墍鏈夌殑閶肩惔瀛�(xu茅)鍝″拰鎷変竵鑸炲(xu茅)鍝″叡76浜哄垎鍒ュ钩鍧囧湴鍒嗙郸鍚勫€嬭€佸斧甯堕牁(l菒ng)锛屽墰濂借兘澶犲垎瀹�锛屼笖姣忎綅鑰佸斧鎵€甯剁殑瀛�(xu茅)鐢熸暩(sh霉)閲忛兘鏄唱(zh矛)鏁�(sh霉)銆傚悗渚嗙敱浜庡(xu茅)鐢熶汉鏁�(sh霉)娓涘皯锛屽煿瑷�(x霉n)涓績鍙繚鐣欎簡4鍚嶉嫾鐞存暀甯拰3鍚嶆媺涓佽垶鏁欏斧锛屼絾姣忓悕鏁欏斧鎵€甯剁殑瀛�(xu茅)鐢熸暩(sh霉)閲忎笉璁婏紝閭ｄ箞鐩墠鍩硅〒(x霉n)涓績閭勫墿涓嬪(xu茅)鍝″灏戜汉?
A.36
B.37
C.39
D.41
4.涓€鍙鏈夊嫊鍔涙С鐨勮埞锛屽叾鍠潬浜哄伐鍔冭埞闋嗘祦鑰屼笅鐨勯€熷害鏄按閫熺殑3鍊�?锛孎(xi脿n)瑭茶埞闈犱汉宸ュ妰鍕曞緸A鍦伴爢娴佸埌閬�(d谩)B鍦帮紝鍘熻矾杩斿洖鏅傚彧闁嬭冻鍕曞姏妲宠椐�锛岀敤鏅傛瘮渚嗘檪灏�銆傞偅涔堣埞鍦ㄩ潨姘翠腑闁嬭冻鍕曞姏妲宠椐涚殑閫熷害鏄汉宸ュ妰鑸归€熷害鐨勫灏戝€�?
A.2
B.3
C.4
D.5
5.鍏€�(j矛n)鍒舵暣鏁�(sh霉)鏁�(sh霉)鍒�4.5.6.7.10.11.12.13.……鐨勭13闋呮槸( )銆�
A.17
B.18
C.20
D.21
涓嬮潰鐐�2020骞撮櫆瑗垮叕鍕�(w霉)鍝¤€冭│鏁�(sh霉)閲忛棞(gu膩n)绯荤反缈�(x铆)鍙冭€冪瓟妗堬細
1.銆怌銆� 瑙ｆ瀽锛氳淇濊瓑涓€瀹氭湁70鍚嶆壘鍒板伐浣滅殑浜哄皥妤�(y猫)鐩稿悓锛屽墖姣忓€嬪皥妤�(y猫)鎳�(y墨ng)鏈€灏戣畵69鍊嬩汉鎵惧埌宸ヤ綔锛岃€屼汉鍔涜硣婧愭湰韬彧鏈�50浜�锛屽墖閫�50浜洪兘鎵惧埌宸ヤ綔锛屽墖鍥涢灏堟キ(y猫)鍙氨妤�(y猫)鐨勪汉鏁�(sh霉)鍒嗗垾鐐�69銆�69銆�69銆�50锛岀附鍜岀偤257浜�銆傛鏅傚啀澶�1浜�锛屽墖蹇呯劧鏈変竴鍊嬪皥妤�(y猫)閬�(d谩)鍒�70浜�锛屽洜姝ゆ墍姹傛渶灏戜汉鏁�(sh霉)鐐�258浜�銆�
2.銆怉銆� 瑙ｆ瀽锛氬叡鎼嶅け浜�25000-10000=15000鍏�锛岀敳鎵挎摂(d膩n)15000×2/3=10000鍏冿紝涔欐壙鎿�(d膩n)鍓╀綑鐨�5000鍏冩悕澶�锛屽洜姝や箼鎳�(y墨ng)瑭叉敹鍥烇細浠栫殑鎶曡硣-浠栨壙鎿�(d膩n)鐨勬悕澶�=15000-5000=10000銆�
3.銆怐銆� 瑙ｆ瀽锛氳ō(sh猫)姣忓€嬮嫾鐞存暀甯付x鍊嬪(xu茅)鐢燂紝姣忓€嬫媺涓佽垶鏁欏斧甯秠鍊嬪(xu茅)鐢�锛屽墖鏍规摎(j霉)椤屾剰鍙垪寮忕偤锛�5x+6y=76銆傚叐鍊嬫暩(sh霉)鐨勫拰鐐哄伓鏁�(sh霉)锛屽墖閫欏叐鍊嬫暩(sh霉)鍚岀偤鍋舵暩(sh霉)鎴栬€呭悓鐐哄鏁�(sh霉)锛�6y涓€瀹氭槸鍋舵暩(sh霉)锛屽洜姝�5x涓€瀹氭槸鍋舵暩(sh霉)锛寈蹇呯偤鍋舵暩(sh霉)锛岃€寈鑸噛鍧囩偤璩�(zh矛)鏁�(sh霉)锛屾晠x鍙兘鐐�2锛屼唬鍏ュ師寮忓彲寰梱=11銆傚墖瀛�(xu茅)鐢熶汉鏁�(sh霉)娓涘皯鍚庯紝閭勫墿涓嬪(xu茅)鍝�4×2+3×11=41鍊�銆�
4.銆怋銆� 瑙ｆ瀽锛氳ō(sh猫)姘撮€熸槸1锛屽墖闋�?bi膩o)顔浚钁�?锛屼汉宸ュ妰鑸归潨姘撮€熷害=3-1=2锛岄爢?bi膩o)鐣穜闁擄細閫嗘按鏅傞枔=1锛�(1-2/5) =5:3锛屽墖闋�?bi膩o)顔浚榫嬭€楀珷顔浚?3锛�5锛屾墍浠ラ€嗘按閫熷害鐐�5锛屽嫊鍔涙伎闈滄按閫熷害=5+1=6锛屾瘮渚嬬偤6锛�2=3锛�1銆�
5.銆怌銆� 瑙ｆ瀽锛氭暩(sh霉)鍒楃鍏爡鐐�13,鎵€浠ョ13闋呮噳(y墨ng)鐐�18,浣嗘槸閲囩敤鍏€�(j矛n)鍒�锛屾墍浠ラ€�(j矛n)浣嶆噳(y墨ng)寰�20,鍥犳鏈绛旀鐐篊.
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