取√28.9=5.376,√x=0.05376,那么x的值等于------

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取√28.9=5.376,√x=0.05376,那么x的值等于------
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取√28.9=5.376,√x=0.05376,那么x的值等于------
取√28.9=5.376,√x=0.05376,那么x的值等于------

取√28.9=5.376,√x=0.05376,那么x的值等于------
,√x=0.05376 = √28.9/100 = √(28.9/10000)
x=0.00289

0.00289

0.00289

28. 9 * 10 ^ - 4

√28.9=5.376,√x=0.05376
√(28.9/x) = 5.376/0.05376 = 100
28.9/x = 100² = 10000
x = 28.9/10000 = 0.00289

根下X=根下(28.9/10000)=0.00289所以 x=0.00289的平方

0.05376=5.376*0.01
由√28.9=5.376得x=5.376*5.376*0.01*0.01=0.00289