標題:
Check the answers & !!!!
發問:
Plz~~~ Help me to check the answers~!!! Change the percentages into fractions. 200% = 1又1分之1 Change the decimals into fractions. 3 = 2又1分之1 Change the recurring decimals into fractions. . . 0.63 = 1/20 . . 0.571428 = 571428/999999 Right?????? 更新: I want to ask a quiestion about Geography!! The numbers above(e.g. 22.5, 90) show the _________ bearing. whole-circle bearing or reduced bearing or .....?????
最佳解答:
Change the percentages into fractions. 200% = 2 Change the decimals into fractions. (your question may have problems) 3= 3/1 Change the recurring decimals into fractions. 0.636363..... = 7/11 0.571428571428.... = 3/7 2007-08-24 15:41:59 補充： The numbers above(e.g. 22.5, 90) show the polar bearing. 2007-08-24 15:49:56 補充： Change the percentages into fractions.200%=200/100= 2=2/1 2007-08-24 15:52:53 補充： good method for recurring decimals0.010101.....=1/99So 0.636363...=0.010101..X63=63/99=7/11Corrections0.571428571428....= 4/7 Every 6-digits are the same 0.142857142857...=1/70.285714285714..=2/70.571428571428..=3/7 2007-08-24 15:54:37 補充： Corrections0.428571425871..=3/70.571428571428..=4/70.714285714285..=5/70.857142857142..=6/7
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