2020骞存禉姹熷叕鍕�(w霉)鍝¤娓暩(sh霉)閲忛棞(gu膩n)绯绘瘡鏃ヤ竴绶�(6鏈�18鏃�)
鐎忚
鏀惰棌
2020骞存禉姹熷叕鍕�(w霉)鍝¤娓暩(sh霉)閲忛棞(gu膩n)绯绘瘡鏃ヤ竴绶�(6鏈�18鏃�)
1.涓€鍊嬫荡缂告斁婊挎按闇€瑕�30鍒嗛悩锛屾帓鍏変竴娴寸几姘撮渶瑕�50鍒嗛悩锛屽亣濡傚繕瑷橀棞(gu膩n)涓婂嚭姘村彛锛屽皣閫欏€嬫荡缂告斁婊挎按闇€瑕佸灏戝垎閻�?( )
A.65鍒嗛悩
B.75鍒嗛悩
C.85鍒嗛悩
D.95鍒嗛悩
2.鏈嶈寤犵殑宸ヤ汉姣忎汉姣忓ぉ鍙互鐢熺敘(ch菐n)4浠朵笂琛ｆ垨7姊濊げ瀛愶紝涓€浠朵笂琛ｅ拰涓€姊濊げ瀛愮偤涓€濂楁湇瑁�?锛孎(xi脿n)鏈�66鍚嶅伐浜虹敓鐢�(ch菐n)锛屾瘡澶╂渶澶氳兘鐢熺敘(ch菐n)澶氬皯濂楁湇瑁�?( )
A.168
B.188
C.218
D.246
3.涓€杓涘崱杌婇亱(y霉n)绀︾煶锛屾櫞澶╂瘡澶╁彲閬�(y霉n)16娆�锛岄洦澶╂瘡澶╁彧鑳介亱(y霉n)11娆�锛屼竴閫ｉ亱(y霉n)浜嗚嫢骞插ぉ锛屾湁鏅村ぉ锛屼篃鏈夐洦澶�锛屽叾涓洦澶╂瘮鏅村ぉ澶�3澶╋紝浣嗛亱(y霉n)鐨勬鏁�(sh霉)鍗绘瘮鏅村ぉ閬�(y霉n)鐨勬鏁�(sh霉)灏�27娆�銆傚晱涓€閫ｉ亱(y霉n)浜嗗灏戝ぉ? ( )
A.25
B.26
C.27
D.28
4.璨�5浠剁敳鍟嗗搧鍜�3浠朵箼鍟嗗搧锛岄渶瑕�348鍏冿紝濡傛灉璨�3浠剁敳鍟嗗搧鍜�2浠朵箼鍟嗗搧锛岄渶瑕�216鍏�锛岃卜涓€浠剁敳鍟嗗搧闇€瑕佸灏戝厓?( )
A.48
B.46
C.34
D.32
5.鏌愰珮鏍″皪涓€浜涘(xu茅)鐢熼€�(j矛n)琛屽晱鍗疯(di脿o)鏌�銆傚湪鎺ュ彈瑾�(di脿o)鏌ョ殑瀛�(xu茅)鐢熶腑锛屾簴(zh菙n)鍌欏弮鍔犳敞鍐婃渻瑷�(j矛)甯€冭│鐨勬湁63浜猴紝婧�(zh菙n)鍌欏弮鍔犺嫳瑾炲叚绱氳€冭│鐨勬湁89浜�锛屾簴(zh菙n)鍌欏弮鍔犺▓(j矛)绠楁(j墨)鑰冭│鐨勬湁47浜�锛屼笁绋€冭│閮芥簴(zh菙n)鍌欏弮鍔犵殑鏈�24浜�锛屾簴(zh菙n)鍌欓伕鎿囧叐绋€冭│閮藉弮鍔犵殑鏈�46浜�锛屼笉鍙冨姞鍏朵腑浠讳綍涓€绋€冭│鐨勯兘15浜�銆傚晱鎺ュ彈瑾�(di脿o)鏌ョ殑瀛�(xu茅)鐢熷叡鏈夊灏戜汉?( )
A.120
B.144
C.177
D.192
婧Θ鎻愮ず锛�榛�(di菐n)鎿婁笅闋佸彲鏌ョ湅2020骞存禉姹熷叕鍕�(w霉)鍝¤娓暩(sh霉)閲忛棞(gu膩n)绯绘瘡鏃ヤ竴绶�(6鏈�18鏃�)姣忔棩涓€绶寸瓟妗�銆�2020骞存禉姹熷叕鍕�(w霉)鍝¤€冭│鏅傞枔鐐�7鏈�26鏃�锛屽缓璀板悇浣嶈€冪敓浣跨敤鐠�(hu谩n)鐞冪恫(w菐ng)鏍� 鍏嶈不(f猫i)闋�(y霉)绱勭煭淇℃彁閱�鏈嶅嫏(w霉)锛岄爯(y霉)绱勬垚鍔熷彲鍦ㄧ瓎瑭︽檪闁撳埌渚嗘檪鐛插緱鐭俊閫氱煡锛屾彁閱掑ぇ瀹跺仛濂借€冭│婧�(zh菙n)鍌�銆�
1.绛旀: B
銆愯В鏋愩€�
姘寸几鐨勫閲忚鐐哄柈浣�“1”锛岄偅涔堟瘡鍒嗛悩鍙互娉ㄥ叆鐨勬按鍗犳按缂稿閲忕殑1/30锛屾瘡鍒嗛悩鎺掑嚭鐨勬按鍗犳按缂稿閲忕殑1/50銆�
鏍规摎(j霉)椤屾剰锛屾按榫嶉牠鍦ㄦ敞鍏ユ按鐨勫悓鏅�锛岄儴鍒嗘按涔熷湪鎺掑嚭锛屾墍浠ュ(sh铆)闅涗笂姣忓垎閻樻敞鍏ョ殑姘存噳(y墨ng)瑭茬偤1/30-1/50=1/75锛屽墖闇€瑕�75鍒嗛悩鎵嶈兘娉ㄦ豢锛屾晠姝ｇ⒑绛旀鐐築銆�
2.绛旀: A
銆愯В鏋愩€�
鐢遍鎰�锛屾瘡鍊嬪伐浜烘瘡澶╁彲浠ョ敓鐢�(ch菐n)鐨勪笂琛ｅ拰瑜插瓙鐨勬瘮渚嬬偤 4锛�7锛岃浣跨敓鐢�(ch菐n)鐨勬湇瑁濆鏁�(sh霉)鏇村锛屽墖鏈€绲傜敓鐢�(ch菐n)鐨勪笂琛ｅ拰瑜插瓙鏁�(sh霉)閲忚鐩稿悓锛屾墍浠ョ敓鐢�(ch菐n)涓婅。鍜岃げ瀛愮殑宸ヤ汉姣斾緥鐐� 7锛�4锛屾湁66鍚嶅伐浜�锛屽墖鐢熺敘(ch菐n)涓婅。鐨勫伐浜烘暩(sh霉)閲忕偤 66×7/11=42 锛岀敓鐢�(ch菐n)瑜插瓙鐨勫伐浜烘暩(sh霉)閲忕偤 66×4/11=24锛� 鐢熺敘(ch菐n)鏈嶈鏁�(sh霉)閲忔渶澶氱瓑浜� 42×4=168銆傛晠姝ｇ⒑绛旀鐐篈銆�
3.绛旀: C
銆愯В鏋愩€�
鍋囪ō(sh猫)鏅村ぉ闆ㄥぉ鐨勪竴妯ｅ锛岄偅涔堟櫞澶╂瘮闆ㄥぉ澶氶亱(y霉n)杓�?sh霉)鎷囪灃?sh霉)鐐�27+3×11=60娆�銆傜敱浜庢櫞澶╂瘡澶╅亱(y霉n)杓�?sh霉)鎷囪灃?sh霉)姣旈洦澶╁16-11=5娆�銆傛墍浠ュ彲浠ユ眰鍑烘櫞澶╅洦澶╃浉鍚岀殑澶╂暩(sh霉)鐐�60÷(16-11)=12澶�銆傛渶鍚庡緱鍑虹附鐨勫ぉ鏁�(sh霉)鐐�12×2+3=27澶�銆�
4.绛旀: A
銆愯В鏋愩€�
鐢遍鎰忓彲鐭ワ紝10浠剁敳鍜�6浠朵箼鐨勫児鏍肩偤348×2=696锛�9浠剁敳鍜�6浠朵箼鐨勫児鏍肩偤216×3=648锛岄’鐒朵竴浠剁敳鍟嗗搧鐨勫児鏍肩偤696-648=48鍏�锛屾晠绛旀鐐篈銆�
5.绛旀: A
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鍋囪ō(sh猫)鍙弮鍔犱竴绋€冭│鐨勬湁X浜�锛屽墖鍙煡锛歑+46×2+24×3=63+89+47锛屽彲鐭=35锛屽洜姝ゆ帴鍙楄(di脿o)鏌ョ殑瀛�(xu茅)鐢熷叡鏈�35+46+24+15=120浜�銆傛晠姝ｇ⒑绛旀鐐篈銆�
娉細灏囧彧绗﹀悎涓€鍊嬫浠躲€佸彧绗﹀悎鍏╁€嬫浠跺拰涓夊€嬫浠堕兘绗﹀悎鐨勫垎鍒ョ湅浣滀笁鍊嬫暣楂�锛屼互A銆丅銆丆琛ㄧず涓夊€嬮泦鍚�锛屼互X銆乊銆乑鍒嗗垾琛ㄧず鍙鍚堜竴鍊嬫浠�銆佸彧绗﹀悎鍏╁€嬫浠跺拰涓夊€嬫浠堕兘婊胯冻鐨勯儴鍒嗭紝鍓囨湁A+B+C=X+2Y+3Z鍙夾∪B∪C=X+Y+Z鎴愮珛銆�
鎺ㄨ枽锛�2020骞存禉姹熷叕鍕�(w霉)鍝¤€冭│琛屾脯绛旈鏅傞枔鍒嗛厤绛栫暐
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