[6/(1×7)]-[6/(7×13)]-[6/(13×19)]-[6/(19×25)]-……-[6/(97×103)]= ( )A.433/567B.532/653C.522/721D.436/673
[6/(1×7)]-[6/(7×13)]-[6/(13×19)]-[6/(19×25)]-……-[6/(97×103)]= ( )
A.433/567
B.532/653
C.522/721
D.436/673
相关考题:
:[6/(1×7)]-[6/(7×13)]-[6/(13×19)]-[6/(19×25)]-……-[6/(97×103)]= ( )A.433/567B.532/653C.522/721D.436/673
A=[1,2,3,4,5;6,7,8,9,10;11,12,13,14,15;16,17,18,19,20]; A(2:3,1:3:5)为()。A.[6,7,8,9,10;11,12,13,14,15]B.[6,8,10;11,13,15]C.[1,3,5;6,8,10;11,13,15;16,18,20]D.以上都不对。
第一换元教材作业1. (4)(5)(6)(7)(8)(10)(13)(17)(18)(19)