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�19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.鐢蹭箼鍏╁€�(g猫)鐝殑澹叺鍚屾檪(sh铆)寰炶捣榛�(di菐n)鍑虹櫦(f膩)锛屽悜10鍏噷澶栫殑鐩殑鍦板嫽閫熸€ヨ杌嶏紝鐢蹭箼鍏╃彮鐨勯€熷害鍒嗗垾鐐烘瘡鍒嗛悩250绫冲拰200绫�銆傝杌嶉€斾腑锛岀敳鐝瘡鐪嬪埌涓€娆′俊铏�(h脿o)褰堬紝灏辨渻(hu矛)浠×20%(n鐐虹暥(d膩ng)鍓嶅凡鐪嬪埌淇¤櫉(h脿o)褰堢殑娆℃暩(sh霉))鐨勫師閫熷害鍚戝悗琛岃粛1鍒嗛悩锛岄毃鍚庢仮寰�(f霉)鍘熶締鐨勯€熷害绻肩簩(x霉)鍚戝墠琛岃粛锛屾渶鍚庝箼鐝瘮鐢茬彮鍏堝埌閬�(d谩)鐩殑鍦�銆傚晱鐢茬彮鍦ㄨ杌嶉€斾腑鐪嬪埌浜嗗咕娆′俊铏�(h脿o)褰�?
A.6
B.7
C.8
D.9
2.涓€瀛�(xu茅)鐢熷湪鏈熸湯鑰冭│涓�6闁€瑾叉垚绺�(j墨)鐨勫钩鍧囧垎鐐�92.5鍒�锛屼笖6闁€瑾茬殑鎴愮妇(j墨)鏄簰涓嶇浉鍚岀殑鏁存暩(sh霉)锛屾渶楂樺垎鏄�99鍒�锛屾渶浣庡垎鏄�76鍒�锛屽墖灏囬€欎簺鍒�?j菒n)?sh霉)寰為珮鍒颁綆鎺掑垪灞呯涓夌殑閭ｉ杸瑾茶嚦灏戝緱鍒嗙偤( )銆�
A.93
B.95
C.96
D.97
3.鏌愬煄甯傛簴(zh菙n)鍌欏湪鍏湌閲屽缓涓€鍊�(g猫)鐭╁舰鐨勮姳鍦�锛岄暦(zh菐ng)姣斿澶�40绫筹紝鍚屾檪(sh铆)鍦ㄨ姳鍦掑懆鍦嶅缓涓€姊濈瓑瀵殑鐠�(hu谩n)璺�銆傝矾鐨勫鍛ㄩ暦(zh菐ng)鐐�280绫筹紝璺殑闈㈢⿳鐐�1300骞虫柟绫�锛屽墖璺殑瀵害鐐哄灏戠背?( )
A.3
B.4
C.5
D.6
4.鏄ㄥぉ涓嬮洦鐨勬鐜囩偤20%锛屼粖澶╀笅闆ㄧ殑姒傜巼鐐烘槰澶╃殑鍏╁€�锛屼粖澶╀笅闆ㄧ殑鍙兘鎬ф槸( )銆�
A.1/2
B.2/5
C.1/3
D.1/5
5.鎼亱(y霉n)宸ヨ矤(f霉)閲嶅緬姝ヤ笂妯擄紝鍓涢枊濮嬩繚鎸佸嫽閫�锛岀敤浜�30绉掔埇浜嗗叐灞ゆ〒(涓枔涓嶄紤鎭�);涔嬪悗姣忓鐖竴灞ゅ鑺�5绉�锛屽浼戞伅10绉�锛岄偅涔堜粬鐖埌涓冩〒涓€鍏辩敤浜嗗灏戠?
A.220
B.240
C.180
D.200
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.绛旀: A
銆愯В鏋愩€戯細鐢叉噳(y墨ng)瑭插埌閬�(d谩)鐨勬檪(sh铆)闁撴槸10000÷250=40鍒嗛悩锛屼箼鐨勬檪(sh铆)闁撴槸10000÷200=50鍒嗛悩锛屼箼姣旂敳鎻愬墠鍒伴仈(d谩)锛岃鏄庣敳瀵�(sh铆)闅涚敤鐨勬檪(sh铆)闁撹秴閬庝簡50鍒嗛悩锛屼唬鍏ラ伕闋�(xi脿ng)A锛屽鏋滄槸6娆＄殑瑭憋紝鍊掗€€鏅�(sh铆)闁撴槸6鍒嗛悩锛岄€欏叚娆＄敳瑕佸€掗€€鐨勮窛闆㈠垎鍒ユ槸锛�50銆�100銆�150銆�200銆�250銆�300锛屽姞绺戒箣鍚庢槸1050,1050÷250锛岃秴閬�4鍒嗛悩锛屾墍浠ョ暥(d膩ng)閬窤銆�
2.绛旀: B
銆愯В鏋愩€戯細瑕佷娇绗笁楂樼殑鍒�?j菒n)?sh霉)鐩″彲鑳戒綆锛屽墖闇€绗簩楂樼殑鍒�?j菒n)?sh霉)鐩″彲鑳介珮锛屽洜姝よō(sh猫)绗簩楂樼殑鍒�?j菒n)?sh霉)鐐�98鍒�锛屽墖绗笁楂�銆佺鍥涢珮銆佺浜旈珮鐨勫垎?j菒n)?sh霉)绺藉拰鑷冲皯鐐�92.5×6-99-98-76=282鍒�锛屼笁鍊�(g猫)鍒�?j菒n)?sh霉)鐨勫钩鍧囧垎鐐�282÷3=94鍒嗐€傜敱浜庡悇瑾叉垚绺�(j墨)浜掍笉鐩稿悓锛屽彲妲�(g貌u)閫犵涓夐珮銆佺鍥涢珮銆佺浜旈珮鐨勫垎?j菒n)?sh霉)鐐�95銆�94銆�93锛屽洜姝ょ涓夐珮鐨勫垎?j菒n)?sh霉)鑷冲皯鐐�95鍒�銆傛晠姝ｇ⒑绛旀鐐築銆�
3.绛旀: C
銆愯В鏋愩€戯細瑷�(sh猫)璺殑澶栧鐐簒绫�锛屽墖璺殑澶栭暦(zh菐ng)鐐�(x+40)绫�銆傛牴鎿�(j霉)璺殑澶栧懆闀�(zh菐ng)鐐�280绫�锛屽彲寰楁柟绋�2(x+x+40)=280锛岃В寰梮=50銆傛墍浠ヨ矾鑸囪姳鍦掔殑绺介潰绌嶇偤(40+x)x=90×50=4500骞虫柟绫�锛屽張鐭ヨ矾鐨勯潰绌嶇偤1300骞虫柟绫�锛屽墖鑺卞湌鐨勯潰绌嶇偤4500-1300=3200骞虫柟绫�銆傝ō(sh猫)璺殑瀵害鐐篴绫�锛屽墖寰楁柟绋�(90-2a)(50-2a)=3200锛岃瀵熼伕闋�(xi脿ng)锛屽彲鐭閬搁爡(xi脿ng)婊胯冻姝ゆ柟绋�銆傛晠閬窩銆�
4.绛旀: B
銆愯В鏋愩€戯細鏍规摎(j霉)椤屾剰锛屾槰澶╀笅闆ㄧ殑姒傜巼鐐�1/5锛屼粖澶╀笅闆ㄧ殑姒傜巼鐐烘槰澶╃殑鍏╁€嶅嵆锛�1/5×2=2/5銆傚洜姝�锛屾湰椤岀瓟妗堢偤B閬搁爡(xi脿ng)銆�
5.绛旀: D
銆愯В鏋愩€戯細鐖埌7妯撻渶瑕佺埇6娆�锛屽墠鍏╂鏅�(sh铆)闁撴槸15+15锛屽悗4娆′緷娆＄埇妯撴檪(sh铆)闁撶偤20,25,30,35;鍙﹀锛屽啀瑷�(j矛)绠椾紤鎭檪(sh铆)闁�锛屼紤鎭檪(sh铆)闁撳緸绗�3娆＄埇妯撶祼(ji茅)鏉熺偤10绉�锛屾瘡娆″10绉掞紝鍓�4,5鍏╂绲�(ji茅)鏉熷悗闇€瑕佷紤鎭�20绉�銆�30绉掞紝鑰岀6娆＄埇妯撳悗涓嶉渶瑕佷紤鎭�銆傛墍浠ユ渶绲傚皣鎵€鏈夋檪(sh铆)闁撶浉鍔狅紝鐐�200绉�銆�
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鎵撳崱浜烘暩(sh霉)
