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题型:计算题 题类:常考题 难易度:容易
浙江省杭州市下沙经济开发区2018-2019学年七年级上学期数学期末考试试卷
(1+ )×(1- )= × =1,
(1+ )×(1+ )×(1- )×(1- )= × × × = × × × =1×1=1.
根据以上信息,求出下式的结果.
(1+ )×(1+ )×(1+ )×…×(1+ )×(1- )×(1- )×(1- )×(1- )×…×(1- ).
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