已知根号2≈1.4142,根号20≈4.472,求根号0.2-根号200的近似值.(精确到0.01)

2024-12-12 10:41:23
推荐回答(1个)
回答1:

√0.2-√200
=0.1×√20-10√2
≈0.4472-14.142
≈-13.69

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