[挑戰題]末尾0的個數~~1x4x7x10.........x1999

(1)1輛汽車開往乙地,如果車速提高20%,可以提早1小時到 如果以原速開120公里 再將車速提高50% 則提早40分鐘 甲乙兩地差幾公里?(2)設M=1x4x7x10.........x1999則M的末尾連續0的個數為?(3)對於2個整數甲和乙(甲不等於乙) 較大的數除較小的數餘數記為甲#乙 如: 5#2=1 3#18=0 已知13#丙=2 丙是二位數 求丙=( ) !--<! /* Font Definitions */ @font-face {font-family:新細明體; panose-1:2 2 3 0 0 0 0 0 0 0; mso-font-alt:PMingLiU; mso-font-charset:136; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:3 135135232 22 0 1048577 0;}@font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4; mso-font-charset:1; mso-generic-font-family:roman; mso-font-format:other; mso-font-pitch:variable; mso-font-signature:0...

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[挑戰題]互質個數與總和.....小於720 且與720互質的正整數總和

1.小於720 且與720互質的正整數幾個?2.小於720 且與720互質的正整數總和多少?請詳細說明為什麼 !--<! /* Font Definitions */ @font-face {font-family:新細明體; panose-1:2 2 3 0 0 0 0 0 0 0; mso-font-alt:PMingLiU; mso-font-charset:136; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:3 135135232 22 0 1048577 0;}@font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4; mso-font-charset:1; mso-generic-font-family:roman; mso-font-format:other; mso-font-pitch:variable; mso-font-signature:0 0 0 0 0 0;}@font-face {font-family:Calibri; panose-1:2 15 5 2 2...

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複數與直角座標

!--<! /* Font Definitions */ @font-face {font-family:新細明體; panose-1:2 2 3 0 0 0 0 0 0 0; mso-font-alt:PMingLiU; mso-font-charset:136; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:3 135135232 22 0 1048577 0;}@font-face {font-family:細明體; panose-1:2 2 3 9 0 0 0 0 0 0; mso-font-alt:MingLiU; mso-font-charset:136; mso-generic-font-family:modern; mso-font-pitch:fixed; mso-font-signature:3 135135232 22 0 1048577 0;}@font-face {font-family:"Cambria...

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反矩陣(公式法)求解

一.1 0 22 1 11 1 1二.1   3 -22   5 -3-3 2 -4三.1   3   4-2 -5 -31   4   9四.1 1 -10 1 01 0 0 Normal 0 0 2 false false false EN-US ZH-TW X-NONE w:LatentStyles DefLockedState="false" DefUnhideWhenUsed="true" DefSemiHidden="true"...

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梯形面積的由來

梯形面積的由來 &nb...

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對數.....log3(2x)log3(3x)=log3(6x^2)之二根為a與b，求ab之值

1.若log3(2x)log3(3x)=log3(6x^2)之二根為a與b，求ab之值2.已知x、y滿足2log2x+2log3y+1=0且6logx(2)+6logy(3)-1=0(1)求(log2(x))^2+(log3(y))^2之值(2)求數對(x,y)!--<! /* Font Definitions */ @font-face {font-family:新細明體; panose-1:2 2 3 0 0 0 0 0 0 0; mso-font-alt:PMingLiU; mso-font-charset:136; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:3 135135232 22 0 1048577 0;}@font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4; mso-font-charset:1; mso-generic-font-family:roman; mso-font-format:other; mso-font-pitch:variable; mso-font-signature:0...

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長方體上漆

長方體上漆將長5公分寬4公分高3公分的長方形鐵塊表面噴漆在切開成每邊長1公分的小正方形體其中會有幾塊小正方體只有2個面噴上漆....要計算過程 !--<! /* Font Definitions */ @font-face {font-family:新細明體; panose-1:2 2 3 0 0 0 0 0 0 0; mso-font-alt:PMingLiU; mso-font-charset:136; mso-generic-font-family:roman; mso-font-pitch:variable; mso-font-signature:3 135135232 22 0 1048577 0;}@font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4; mso-font-charset:1; mso-generic-font-family:roman; mso-font-format:other; mso-font-pitch:variable; mso-font-signature:0 0 0 0 0 0;}@font-face {font-family:Calibri; panose-1:2...

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