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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.鏌愬柈浣嶄互绠辩偤鍠綅鍚戝洶闆h伔宸ュ垎鐧�(f膩)鏁戞繜鍝侊紝濡傛灉鏈�12浜烘瘡浜哄悇鍒�7绠�锛屽叾浣欑殑姣忎汉鍒�5绠憋紝鍓囦綑涓�148绠�;濡傛灉鏈�30浜烘瘡浜哄悇鍒�8绠�锛屽叾浣欑殑姣忎汉鍒�7绠�锛屽墖浣欎笅20绠�銆傜敱姝ゆ帹鐭ヨ┎鍠綅鍏辨湁鍥伴洠鑱峰伐()銆�
A.61浜�
B.54浜�
C.56浜�
D.48浜�
2.鏌愬叕鍙歌鍦ㄩ暦銆佸銆侀珮鍒嗗垾鐐�50绫炽€�40绫�銆�30绫崇殑闀锋柟楂斿缓绛戠殑琛ㄩ潰鏋惰ō(sh猫)灏堢敤闆昏矾绠¢亾鑱�(li谩n)鎺ュ缓绛戠墿鍏�(n猫i)鏈€閬犲叐榛烇紝闋�(y霉)瑷�(sh猫)鐨勬渶鐭閬撻暦搴︿粙浜�()銆�
A.70—80绫充箣闁�
B.60—70绫充箣闁�
C.90—100绫充箣闁�
D.80—90绫充箣闁�
3.涓夎褰㈢殑鍏�(n猫i)瑙掑拰鐐�180°锛屽晱鍏倞褰㈢殑鍏�(n猫i)瑙掑拰鏄灏戝害?()
A.720
B.600
C.480
D.360
4.瀛�(xu茅)鐢熷湪鎿嶅牬涓婂垪闅婂仛鎿�锛屽彧鐭ヤ汉鏁�(sh霉)鍦�90-110涔嬮枔銆傚鏋滄帓鎴�3鎺掑墖涓嶅涓嶅皯;鎺掓垚5鎺掑墖灏�2浜�;鎺掓垚7鎺掑墖灏�4浜�;鍓囧(xu茅)鐢熶汉鏁�(sh霉)鏄灏�?()
A.102
B.98
C.104
D.108
5.145锛�120锛�101锛�80锛�65锛�()
A.48
B.49
C.50
D.51
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
瑙f瀽:
瑷�(sh猫)瑭插柈浣嶅叡鏈夊洶闆h伔宸浜�锛屽墖鏈�5(a-12)+12×7+148=30×8+7(a-30)+20锛岃В寰梐=61锛屾晠姝g⒑绛旀鐐篈銆�
2.绛旀:D
3.绛旀:A
瑙f瀽:
鍏倞褰㈢殑鍏�(n猫i)瑙掑拰=(6-2)×180°=720°銆傚洜姝�锛屾湰椤岀瓟妗堢偤A閬搁爡銆�
4.绛旀:D
瑙f瀽:
鐢遍鎰�锛屽(xu茅)鐢熸暩(sh霉)鍙互琚笁鏁撮櫎锛岄’鐒�98銆�104涓嶈兘琚笁鏁撮櫎锛屾帓闄銆丆閬搁爡锛屾椹桝閬搁爡锛�102÷5=20…2锛屾帓鎴�5鎺�锛屾瘡鎺�20鍓囧2浜�锛屾瘡鎺�21鍓囧皯3鍊嬩汉锛�102涓嶇鍚堥鎰�锛屾帓闄閬搁爡銆�108÷3=36锛�108+2=110÷5=22锛�108+4=112÷7=16锛屾晠鍙湁D閬搁爡鍚屾檪婊胯冻涓夊€嬫浠�锛屾晠姝g⒑绛旀鐐篋銆�
5.绛旀:A
瑙f瀽:
鏁�(sh霉)鍒椾腑锛屽伓鏁�(sh霉)闋呯瓑浜庡墠鍚庣浉閯板鏁�(sh霉)闋呭拰鐨勪竴鍗婃笡鍘�3锛屽鏁�(sh霉)闋呯瓑浜庡墠鍚庣浉閯板伓鏁�(sh霉)闋呭拰鐨勪竴鍗婂姞涓�1锛屾墍浠ユ湭鐭ラ爡鐐�(65-1)×2-80=48銆傛晠姝g⒑绛旀鐐篈銆�
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