实数专题测试三计算:-1⼀3根号3+1⼀2根号2-1⼀5根号5(结果精确到0.01)

2024-10-29 05:31:31
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回答(1):

-1/3根号3+1/2根号2-1/5根号5=-根号3/9+根号2/4-根号5/25约等于-1.732/9+1.414/4-2.236/25约等于0.192+0.3535-0.089约等于0.63