273. There are $10,000 invested in two separate investment schemes. One
with simple interest of 5% and the other is with simple interest of 8%. At
the end of the year, the investor get total of interest return of $710, how
much did he invest in the first scheme? Please pay attention of the total
interest return.
問:JJ給$3,000.
284. A代表一個圓的area,C代表這個圓的circumstance,A :C=1:2/根號pai,求A.
問:JJ給PAI.但算出的值就是與JJ不同.
277. 問一個數X是不是更接近10^ -3而不是10^ -2
1) 已知這個數是更接近10^ -4的而不是10^ -1
2) 已知這個數是更接近10^ -3 而不是10^ -1
把它們轉化成小數,放在數軸上
問:JJ給E.但若更接近10^ -4就不可能接近10^ -2,則X不就可以回答題目所問的嗎?
感謝大家幫忙!!
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