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很难算

很难算

很难算

很难算

1

2

Itis hard for me to solve the problem .

我很难算出这道题。

3

He found it difficult to work out this problem .

他发现很难算出这道题。

4

With so many variables , the exact cost is difficult to estimate .

由于有这么多可变因素，很难算出准确的成本。

5

Indeed, that is not very difficult .

这确实不是很难算。

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