2020骞翠笂娴峰叕鍕�(w霉)鍝¤€冭│鏁�(sh霉)閲忛棞(gu膩n)绯绘矕鍒�(11鏈�18鏃�)

鏇存柊鏅�(sh铆)闁擄細2019-11-18 09:43:36 渚�(l谩i)婧愶細缍�(w菐ng)绲�(lu貌)

鐎忚

鏀惰棌

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鍦板崁(q奴)

鐛插彇椹�(y脿n)璀� 绔嬪嵆闋�(y霉)绱�

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鐪嬩笉娓呮锛屾彌寮靛湒鐗�

鍏嶈不(f猫i)鐛插彇鐭俊椹�(y脿n)璀夌⒓

鎽樿 2020骞翠笂娴峰叕鍕�(w霉)鍝¤€冭│灏囪繎锛屾湰娆″叡鎷涢寗3803浜�锛岀瓎瑭︽檪(sh铆)闁撶偤12鏈�7鏃�锛岀瓎瑭﹀叕鍏辩鐩偤琛屾脯(c猫)銆佺敵璜�锛屼笉鎸囧畾寰�(f霉)缈�(x铆)鏁欐潗銆傜挵(hu谩n)鐞冪恫(w菐ng)鏍″皬绶ㄦ暣鐞嗕簡2020涓婃捣鍏嫏(w霉)鍝¤€冭│鐩搁棞(gu膩n)鍏�(n猫i)瀹�銆備互涓嬫槸2020骞翠笂娴峰叕鍕�(w霉)鍝¤€冭│鏁�(sh霉)閲忛棞(gu膩n)绯绘矕鍒�(11鏈�18鏃�)銆傚凡缍�(j墨ng)鍫�(b脿o)鍚嶇殑灏忎紮浼村€戣鎶撶穵鏅�(sh铆)闁撳倷鑰冨摝銆�

2020骞翠笂娴峰叕鍕�(w霉)鍝¤€冭│鏁�(sh霉)閲忛棞(gu膩n)绯�

1.涓€寮佃€冭│鍗峰叡鏈�10閬撻锛屽悗闈㈢殑姣忎竴閬撻鐨勫垎鍊奸兘姣斿叾鍓嶉潰涓€閬撻澶�2鍒嗐€傚鏋滈€欏嫉鑰冨嵎鐨勬豢鍒嗙偤100鍒�锛岄偅涔堢鍏亾椤岀殑鍒嗗€兼噳(y墨ng)鐐哄灏�?( )銆�

A.9 B.15 C.14 D.16

2.鍋囪ō(sh猫)浜斿€�(g猫)鐩哥暟姝ｆ暣鏁�(sh霉)鐨勫钩鍧囨暩(sh霉)鏄�15锛屼腑浣嶆暩(sh霉)鏄�18锛屽墖姝や簲鍊�(g猫)姝ｆ暣鏁�(sh霉)涓殑鏈€澶ф暩(sh霉)鐨勬渶澶у€煎彲鑳界偤锛�( )銆�

A.35 B.32 C.24 D.40

3.涓€姹借埞寰€杩斾簬鍏╃⒓闋枔锛岄€嗘祦闇€瑕�10灏忔檪(sh铆)锛岄爢娴侀渶瑕�6灏忔檪(sh铆)銆傚凡鐭ヨ埞鍦ㄩ潨姘翠腑鐨勯€熷害鐐�12鍏噷/灏忔檪(sh铆)銆傚晱(w猫n)姘存祦鐨勯€熷害鏄灏戝叕閲�/灏忔檪(sh铆)?( )銆�

A.2 B.3 C.4 D.5

4.鏌愬嚭绉熸苯杌婂叕鍙告湁鍑虹杌�100杓�锛屽钩鍧囨瘡澶╂瘡杌婄殑鐕冩枡璨�(f猫i)鐐�80鍏�銆傜偤浜嗘笡灏戠挵(hu谩n)澧冩薄鏌擄紝鍏徃灏囪粖杓涢€�(j矛n)琛屼簡鏀硅銆傜涓€娆℃敼瑁濅簡閮ㄥ垎杌婅紱锛屽凡鏀硅鐨勮粖杓涙瘡澶╃殑鐕冩枡璨�(f猫i)鍗犲墿涓嬫湭鏀硅杌婅紱姣忓ぉ鐕冩枡璨�(f猫i)鐨�3[]20;绗簩娆″啀鏀硅鍚屾ǎ澶氱殑杌婅紱鍚�锛屾墍鏈夋敼瑁濆悗鐨勮粖杓涙瘡澶╃殑鐕冩枡璨�(f猫i)鍗犲墿涓嬫湭鏀硅杌婅紱姣忓ぉ鐕冩枡璨�(f猫i)鐢ㄧ殑2[]5銆傚晱(w猫n)鏀硅鍚庣殑姣忚紱鍑虹杌�锛屽钩鍧囨瘡澶╃殑鐕冩枡璨�(f猫i)姣旀敼瑁濆墠鐨勭噧鏂欒不(f猫i)涓嬮檷浜嗙櫨鍒嗕箣澶氬皯?( )銆�

A.40 B.30 C.55 D.77.5

5.涓夊€�(g猫)鍦撶殑鍗婂緫閮芥槸5cm锛屼笁鍊�(g猫)鍦撳叐鍏╃浉浜や簬鍦撳績銆傛眰闄板奖閮ㄥ垎鐨勯潰绌嶄箣鍜�銆�( )銆�

A.29.25cm2 B.33.25cm2 C.39.25cm2 D.35.35cm2

涓嬮爜(y猫)鐐�2020骞翠笂娴峰叕鍕�(w霉)鍝¤€冭│鏁�(sh霉)閲忛棞(gu膩n)绯诲弮鑰冪瓟妗堣В鏋�

1.B銆愯В鏋愩€戣ō(sh猫)绗竴鍊�(g猫)鏁�(sh霉)鐐簒,鍓嘊銆愯В鏋愩€戣ō(sh猫)绗竴鍊�(g猫)鏁�(sh霉)鐐簒,鍓噚+(x+2)+(x+4)+(x+6)+(x+8)+(x+10)+(x+12)+( x+14)+(x+16)+( x+18) =100锛岃В寰梮=1銆傛墍浠ョ鍏亾椤岀殑鍒嗗€肩偤15銆傛晠姝ｇ⒑绛旀鐐築銆�锛岃В寰梮=1銆傛墍浠ョ鍏亾椤岀殑鍒嗗€肩偤15銆傛晠姝ｇ⒑绛旀鐐築銆�

2.A銆愯В鏋愩€�15×5=75锛屽洜?y脿n)闁�?w猫n)鐨勬槸鏈€澶ф槸澶氬皯锛屼腑浣嶆暩(sh霉)鏄�18锛屾墍浠�75-18-19-1-2=35銆傛晠姝ｇ⒑绛旀鐐篈銆�

3.B銆愯В鏋愩€戣ō(sh猫)姘存祦鐨勯€熷害鏄痻鍏噷/灏忔檪(sh铆)锛屽叐纰奸牠闁撹窛闆㈢偤y锛寉÷(12-x)= 10锛寉÷(12+x)= 6 锛岃В寰� x= 3銆傛晠姝ｇ⒑绛旀鐐築銆�

4.A銆愯В鏋愩€戙€朖P+1銆楄ō(sh猫)姣忓ぉ鏀硅x杓涜粖锛岀噧鏂欒不(f猫i)涓嬮檷y锛屽墖x(1-y)=(100-x)×3÷20锛�2x(1-y)=(100-2x)×2/5锛岃В寰梮=20锛寉=0?4銆傛晠姝ｇ⒑绛旀鐐篈銆�?

5.C銆愯В鏋愩€戜娇鐢ㄥ壊瑁�(b菙)娉曞彲鐭ラ櫚褰遍儴鍒嗙殑闈㈢⿳鐩哥暥(d膩ng)浜庡崐鍊�(g猫)鍦撶殑闈㈢⿳銆傛晠姝ｇ⒑绛旀鐐篊銆�

浠ヤ笂鍏�(n猫i)瀹规槸2020骞翠笂娴峰叕鍕�(w霉)鍝¤€冭│鏁�(sh霉)閲忛棞(gu膩n)绯绘矕鍒�(11鏈�18鏃�)銆傚笇鏈涘皪(du矛)鑰冪敓鏈夋墍骞姪銆傛湁鎰忔効鍫�(b脿o)鑰冧笂娴峰叕鍕�(w霉)鍝¤€冭│鐨勮€冪敓瑕佹姄绶婃檪(sh铆)闁撳京(f霉)缈�(x铆)鍌欒€�?锛熷繉榉ゅ啚鈧彲浠� 鍏嶈不(f猫i)闋�(y霉)绱勭煭淇℃彁閱�锛屽強鏅�(sh铆)鐛插彇绛嗚│鏅�(sh铆)闁�锛屾垚绺�(j墨)鏌ヨ绛夎€冭│鍚勫€�(g猫)绡€(ji茅)榛�(di菐n)鍝︺€傜澶у鑰冭│闋嗗埄!

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