取根号28.9=5.376,根号x=0.5376,求x=?

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/16 23:51:15

取根号28.9=5.376,根号x=0.5376,求x=?

0.5376=1/10*5.376
x^2=(1/10*5.376)^2=1/100*28.9=0.289

(10*x)2=28.9
100x2=28.9
x=取根号0.289

0.289