1/13*{1-1/5*[1-1/7*(1-1/11)]}/451/493*377/943/429/391-38/455=?

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 13:55:36
1/13*{1-1/5*[1-1/7*(1-1/11)]}/451/493*377/943/429/391-38/455=?
xݒ_J1ƯN̤v=H=,( B uVN+.""}J7ICpE^"yܲc `MB#'VX&RY*%mS{FIw0yQp\ə3!L{qӑ E#v~qV(U2 ,sXCU:=hTT,˱unS?Q /{

1/13*{1-1/5*[1-1/7*(1-1/11)]}/451/493*377/943/429/391-38/455=?
1/13*{1-1/5*[1-1/7*(1-1/11)]}/451/493*377/943/429/391-38/455=?

1/13*{1-1/5*[1-1/7*(1-1/11)]}/451/493*377/943/429/391-38/455=?
1/13*{1-1/5*[1-1/7*(1-1/11)]}/(451/493*377/943/429/391-38/455)
=1/13*{1-1/5*[1-1/7*10/11]}/(493/451*377/943*429/391-38/455)
=1/13*{1-1/5*[1-10/77]}/[(11*41)/(17*19)*(13*29)/(23*41)*(17/23)/(11*39)-38/455]
=1/13*{1-1/5*67/77}*(17*29)/(1/3-38/455)
=1/13*{1-67/385}*1365/341
=1/13*4/5*1365/341
=4*21/341
=84/341

1/13*{1-1/5*[1-1/7*(1-1/11)]}/(451/493*377/943/429/391-38/455)
=1/13*{1-1/5*[1-1/7*10/11]}/(493/451*377/943*429/391-38/455)
=1/13*{1-1/5*[1-10/77]}/[(11*41)/(17*19)*(13*29)/(23*41)*(17/23)/(11...

全部展开

1/13*{1-1/5*[1-1/7*(1-1/11)]}/(451/493*377/943/429/391-38/455)
=1/13*{1-1/5*[1-1/7*10/11]}/(493/451*377/943*429/391-38/455)
=1/13*{1-1/5*[1-10/77]}/[(11*41)/(17*19)*(13*29)/(23*41)*(17/23)/(11*39)-38/455]
=1/13*{1-1/5*67/77}*(17*29)/(1/3-38/455)
=1/13*{1-67/385}*1365/341
=1/13*4/5*1365/341
=4*21/341
=84/341

收起