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☆算术计算1题
〖1/1算式〗
作业:求算式 (e(2*3.1415926*1.715/4.614)+e(-2*3.1415926*1.715/4.614))/(e(2*3.1415926*1.715/4.614)-e(-2*3.1415926*1.715/4.614)) 的值.
题型:数学计算
解:
(e(2*3.1415926*1.715/4.614)+e(-2*3.1415926*1.715/4.614))/(e(2*3.1415926*1.715/4.614)-e(-2*3.1415926*1.715/4.614))
=(e2.335427+e(-2*3.1415926*1.715/4.614))/(e(2*3.1415926*1.715/4.614)-e(-2*3.1415926*1.715/4.614))
=(e2.335427+e(-2.335427))/(e(2*3.1415926*1.715/4.614)-e(-2*3.1415926*1.715/4.614))
=10.430641/(e(2*3.1415926*1.715/4.614)-e(-2*3.1415926*1.715/4.614))
=10.430641/(e2.335427-e(-2*3.1415926*1.715/4.614))
=10.430641/(e2.335427-e(-2.335427))
=10.430641/10.237103
=1.018906 答案:(e(2*3.1415926*1.715/4.614)+e(-2*3.1415926*1.715/4.614))/(e(2*3.1415926*1.715/4.614)-e(-2*3.1415926*1.715/4.614))=1.018906你的问题在这里没有得到解决?请到 热门难题 里面看看吧!