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- 1why is it so difficult to find a job?
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- 4有三个瓶子,第一个瓶子装了10%的水,第二个装了30%的水,第三个装满了,问那个瓶子不容易倒.
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- 6The ———— you writes,the fewer mistakes you will make
- 7矩形的一边长为a-2b,另一边比第一边大2a+b,则矩形的周长为_.
- 8二十七分之十三的分子加上一个数,分母减去同一个数,约分后是五分之三,求这个数.
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