English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
所有分類

小數化為百分率(要用四捨五入法)
下題:
10  1  13  8  33  39
—   —   —  —  —   —
11  3  30 15  38  120

2006-10-09 16:43:47 · 3 個解答 · 發問者 emily106106 1 in 教育與參考 考試

Sorry!我忘記說求商到小數第二位了!!

2006-10-10 05:20:12 · update #1

而且不用算式 只要題目跟答案

2006-10-10 05:24:07 · update #2

像摘星者一樣

2006-10-10 05:34:12 · update #3

3 個解答

1. 10/11 X 100% = 90.909 大約等於91%

2. 1/3 X 100% = 33.333 大約等於33%

3. 13/30 X 100% = 43.333 大約等於43%

4. 8/15 X 100% = 53.333 大約等於53%

5. 33/38 X 100% = 86.842 大約等於87%

6. 39/120 X 100% = 32.5 大約等於33%

2006-10-09 16:57:32 · answer #1 · answered by 柏逸 6 · 0 0

10/11=0.90909090~ x 100%=90.909090~ ≒ 90.91%
1/3 x 100% ≒ 33.33%
13/30 x 100% ≒ 43.33%
53.33%
86.84%
32.5%

2006-10-09 16:51:28 · answer #2 · answered by 〒〒〒〒 6 · 0 0

10/11=91%

1/3=33%

13/30=445

8/15=53%

33/38=87%

39/120=33%

2006-10-09 20:47:19 補充:
13/30=44%

2006-10-10 12:31:42 補充:
10/11=90.91%1/3=33.33%13/30=43.33%8/15=53.33%33/38=86.84%39/120=32.50%

2006-10-09 16:46:47 · answer #3 · answered by 摘星者 3 · 0 0

fedest.com, questions and answers