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  1. 圖片參考:http://imgcld.yimg.com/8/n/HA00100646/o/701208310030813873365220.jpg Hope I can help you.

  2. 1)Let there be x hamburgers and y sundaes :11x + 6y = 89 11x + 6y = 77 + 12 6y - 12 = 77 - 11x 6(y - 2) = 11(7 - x) y - 2 = 11 (7 - x)/6Let 7 - x = 6n , then x = 7 - 6n , so y - 2 = 11n, then y = 11n + 2.For x = 7 - 6n > 0 , n = 1 only. So x = 7 - 6(1) = 1 and y = 11(1) + 2 = 13. 2) 3√27 * 2...

  3. ...29分之49) =-√225/49 =-15/7 NOTE:帶分數要轉做假分數先至好simplify Evaluate 3.(6√3)+(5√3)-(3√3) =√3(6+5-3) =8√3 4.(√125...

  4. 1)精確值 2)自然數 3)整數 4)餘數 5)被除數 6)除數 7)減去 8)因子 9)素數,質數 10)指數表示法 11)真分數 12)假分數 13)混合數 14)分子 15)降序 16)共同因素 17)常見多發 18)最常見的因素 19)最小公倍數 20)基部 21)指數 22)整數...

  5. ...which he interacts with the environment in any given place. 4.To evaluate the effectiveness of measures adopted to tackle geographical problems...

  6. 1)1^2 + 2^2 + 3^2 + ... + n^2 = n(n+1)(2n+1)/6When n = 1 , LHS = 1^2 = 1(1+1)(2+1)/6 = RHSAssume that when n = k the statement is true , i.e. 1^2 + 2^2 + 3^2 + ... + k^2 = k(k+1)(2k+1)/6When n = k+1 , 1^2 + 2^2 + 3^2 + ... + k^2 + (k+1)^2 = k(k+1)(2k+1)/6 + (k+1)^2= (k+1) [ k(2k+1)/6 + 6(k+1)/6 ]= (k+1) (2k^2...

  7. ..., or articles found in scholarly journals that evaluate or criticize someone else's original research.But a newspaper article when the reporter...

  8. Please see the solution below: 圖片參考:http://img230.imageshack.us/img230/449/binomialxx.png 2010-01-22 22:29:09 補充: http://img230.imageshack.us/img230/449/binomialxx.png

  9. ...reflect the loopholes of our embraced civilization, as well as evaluating the diplomatic philosphies of our ancient leaders. ...

  10. 如要每下拉一格, 值加一, Excel是用ROW函數 任何一格, 輸入 =ROW(A1) ←傳值為 1 下拉一格, 公式會變成 =ROW(A2)←傳值為 2, 如此類推 如輸入 =ROW(A1)-11←傳值為 -10 下拉一格, 公式會變成 =ROW(A2)-11&larr...