题目内容

某自行车厂计划一周生产1400辆自行车,平均每天生产200辆,由于各种原因实际每天生产量与计划量相比有出入.下表是某周的生产情况:(增产为正、减产为负,单位:辆)
星期







增产
+5
-2
-4
+14
-5
+11
-1
 
(1)根据记录可知前三天共生产__________辆;
(2)产量最多的一天比产量最少的一天多生产__________辆;
(3)该厂实行每天计件工资制,每辆车60元,超额完成的部分每辆再奖15元,少生产一辆倒扣15元,那么该厂工人这一周的工资总额是多少元?
(1)599;············································································ (3分)
(2)19;······················································································· (6分)
(3)解:··································· (9分)
(元),·············································· (11分)
答:该厂工人这一周的工资总额是84270元.····································· (12分)

试题分析:(1)分别表示出前三天的自行车生产数量,再求其和即可;
(2)根据出入情况:用产量最高的一天-产量最低的一天;
(3)首先计算出生产的自行车的总量,再乘以60再加上奖罚的金额即可.
点评:此题要求熟练掌握有理数的减法与加法,以及有理数的乘法,关键是看懂题意,弄清表中的数据所表示的意思.
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