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鐎忚
鏀惰棌
2021骞存柊鐤嗗叕鍕�(w霉)鍝¤€冭│琛屾脯鏁�(sh霉)閲忛棞(gu膩n)绯荤反缈�(x铆)椤�
2021骞存柊鐤嗗叕鍕�(w霉)鍝¤€冭│鍗冲皣闁嬪锛岀瓎瑭︽檪(sh铆)闁撶偤8鏈�28鏃�-29鏃�銆傛兂瑕佸強鏅�(sh铆)浜嗚В2021骞存柊鐤嗗叕鍕�(w霉)鍝¤€冭│婧�(zh菙n)鑰冭瓑鎵撳嵃鏅�(sh铆)闁�銆佺瓎瑭︽檪(sh铆)闁撱€佺瓎瑭︽垚绺炬煡瑭㈡檪(sh铆)闁�銆侀潰瑭︽檪(sh铆)闁撶殑鑰冪敓锛屽彲浠ヤ娇鐢� 鍏嶈不(f猫i)闋�(y霉)绱勭煭淇℃彁閱�鏈嶅嫏(w霉)锛屾渻(hu矛)鍦ㄨ€冭│鐨勫悇鍊�(g猫)閲嶈鏅�(sh铆)闁撶瘈(ji茅)榛�(di菐n)浠ョ煭淇″舰寮忔彁鍓嶆彁閱�锛屼笉鍐嶉尟(cu貌)婕忛噸瑕佹檪(sh铆)闁撶瘈(ji茅)榛�(di菐n)鍝︺€�
1.绶ㄤ竴鏈浉鐨勬浉闋佺敤浜�270鍊�(g猫)鏁�(sh霉)瀛�(閲嶅京(f霉)鐨勪篃绠�锛屽闋佺⒓115鐢ㄤ簡2鍊�(g猫)1鍜�1鍊�(g猫)5锛屽叡3鍊�(g猫)鏁�(sh霉)瀛�)锛岄偅涔堥€欐湰鏇镐竴鍏辨湁()
A.117闋�
B.126闋�
C.127闋�
D.189闋�
2.蹇€佷腑銆佹參涓夎紱杌婂悓鏅�(sh铆)寰炲悓涓€鍦伴粸(di菐n)鍑虹櫦(f膩)锛屾部鍚屼竴鍏矾杩借稌鍓嶉潰鐨勪竴杓涢◣杌婁汉銆傞€欎笁杓涜粖鍒嗗垾鐢ㄤ簡6鍒嗛悩銆�10鍒嗛悩銆�12鍒嗛悩杩戒笂楱庤粖浜�锛岀従(xi脿n)鍦ㄧ煡閬撳揩杌婃瘡灏忔檪(sh铆)琛�24鍏噷锛屼腑閫熻粖姣忓皬鏅�(sh铆)琛�20鍏噷锛屽墖鎱㈣粖姣忓皬鏅�(sh铆)琛�( )
A.19鍏噷
B.14鍏噷
C.15鍏噷
D.18鍏噷
3.鐢�銆佷箼鍏╁€�(g猫)娓彛涔嬮枔鐨勮窛闆㈢偤120鍗冪背銆傜敳娓彛婊暀浜�180浜�锛岃灏囬€欎簺婊暀涔樺闋嗘祦閫佸埌涔欐腐鍙�?锛孎(xi脿n)娲剧敳娓彛鐨勪竴鑹樺彲涔樺潗100浣嶄箻瀹㈢殑瀹㈣埞渚嗗畬鎴愰€侀仈(d谩)浠诲嫏(w霉)銆傚凡鐭ヨ┎瀹㈣埞鍦ㄩ潨姘翠腑鐨勯€熷害鐐�90鍗冪背/灏忔檪(sh铆)锛岄爢娴佽椐涚殑閫熷害鏄�100鍗冪背/灏忔檪(sh铆)銆傚湪蹇界暐涓婁笅鑸规檪(sh铆)闁撶殑鎯呮硜涓�锛岃┎瀹㈣埞瀹屾垚浠诲嫏(w霉)闇€瑕�()
A.2.7鏅�(sh铆)
B.3.2鏅�(sh铆)
C.3.5鏅�(sh铆)
D.3.9鏅�(sh铆)
瑙ｆ瀽锛�
1.B
鍥涘€�(g猫)閬搁爡(xi脿ng)閮芥槸涓変綅鏁�(sh霉)锛屽彲寰楃煡闋佺⒓涓€瀹氭槸澶т簬100鐨勩€傚緸绗�1闋佸埌绗�9闋�锛岀敤鎺夋暩(sh霉)瀛�9鍊�(g猫);寰炵10闋佸埌绗�99闋�锛岀敤鎺夋暩(sh霉)瀛楀叡90×2=180鍊�(g猫)锛岄倓鍓╀綑鏁�(sh霉)瀛�270-9-180=81鍊�(g猫)锛屽皣鍏ㄩ儴鐢ㄤ簬涓変綅鏁�(sh霉)闋佺⒓鐨勬(g貌u)閫�锛岃兘绶ㄤ笁浣嶆暩(sh霉)闋佺⒓鐐�81÷3=27闋�銆傚洜?y脿n)妲款惙绮�?sh霉)闋佺⒓鏄緸绗�100闋侀枊濮�锛屽墖绗�27闋佷笁浣嶆暩(sh霉)闋佺⒓鏄┎鏇哥殑绗�126闋併€�
2.A
瑷�(sh猫)楱庤粖浜虹殑閫熷害鐐篨鍏噷姣忓皬鏅�(sh铆)锛屾牴鎿�(j霉)杩藉強璺▼鐩哥瓑鍙垪鍑虹瓑寮忔柟绋嬶細(24-X)×6=(20-X)×10锛岃В寰梄=14锛屾墍浠ヨ拷鍙婅矾绋嬬偤(20-14)×10=60銆傝ō(sh猫)鎱㈣粖姣忓皬鏅�(sh铆)琛孻鍏噷锛屽彲寰楁柟绋嬶細(Y-14)×12=60锛岃В寰梇=19銆傚洜姝ゆ湰椤屾纰虹瓟妗堢偤A銆�
3.D
鐢叉腐鍙ｅ叡180浜猴紝姣忔鍙兘閫�100浜�锛屽墖闇€瑕侀€佸叐娆℃墠鑳介€佸畬锛岄€佸叐娆＄殑閬庣▼涔熷氨鏄緸鐢插墠寰€涔欓爢娴佷竴娆�锛屼箼杩斿洖鐢查€嗘祦涓€娆★紝鐢插啀杩斿洖涔欎竴娆�?锛熺棝顑櫉o姘翠腑閫熷害鐐�90鍗冪背/灏忔檪(sh铆)鍗崇偤鑸归€燂紝闋嗘祦鑰屼笅鏄€熷害鐐�100鍗冪背/灏忔檪(sh铆)锛岄爢?bi膩o)顔╂兌钘璻(sh铆)闁撶偤锛�120/100=1.2灏忔檪(sh铆)銆備笖姘撮€�=闋�?bi膩o)顔浚?鑸归€�=100-90=10鍗冪背/灏忔檪(sh铆)锛屾墍浠ュ鑸归€嗘按閫熷害=鑸归€�-姘撮€�=90-10=80鍗冪背/灏忔檪(sh铆)锛岄€嗘按鐨勪竴瓒熺殑鏅�(sh铆)闁撶偤锛�120/80=1.5灏忔檪(sh铆)銆傚墖鍏遍渶瑕�1.2×2+1.5=3.9灏忔檪(sh铆)銆�
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