已知根号2=1.414 根号20=4.472 根号x=14.14 根号y=447.2 根号20000=m 求y除x-m的
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/15 05:14:06
已知根号2=1.414 根号20=4.472 根号x=14.14 根号y=447.2 根号20000=m 求y除x-m的值
快
快
![已知根号2=1.414 根号20=4.472 根号x=14.14 根号y=447.2 根号20000=m 求y除x-m的](/uploads/image/z/3632635-19-5.jpg?t=%E5%B7%B2%E7%9F%A5%E6%A0%B9%E5%8F%B72%3D1.414+%E6%A0%B9%E5%8F%B720%3D4.472+%E6%A0%B9%E5%8F%B7x%3D14.14+%E6%A0%B9%E5%8F%B7y%3D447.2+%E6%A0%B9%E5%8F%B720000%3Dm+%E6%B1%82y%E9%99%A4x-m%E7%9A%84)
√2=1.414
10*√2=14.14
√200=14.14
∴x=200
√20=4.472
100*√2=447.2
√20000=447.2
∴y=20000
y/x-m
=20000/200-√20000
=100-447.2
=-347.2
10*√2=14.14
√200=14.14
∴x=200
√20=4.472
100*√2=447.2
√20000=447.2
∴y=20000
y/x-m
=20000/200-√20000
=100-447.2
=-347.2
已知根号2=1.414 根号20=4.472 根号x=14.14 根号y=447.2 根号20000=m 求y除x-m的
代数式求值.已知x=2,y=根号3,求 (根号x-根号y)/(根号x+根号y)+(根号x+根号y)/(根号x-根号y)
已知y=根号1-x+根号x-1+3,求根号x+根号y分之x+2根号xy+y+根号x-根号y分之一的值
若x=根号M—根号N,y=根号M+根号N,求XY
根号3x+5y-2-m+根号2x+3y-m=根号199-x-y乘根号x-199+y 求m的值
已知根号X+根号Y+根号-X-16=0,求根号X+Y的平方根?
已知根号x+根号y=根号5,根号xy=根号15-根号3,求x+y的值
已知x =2y 化简(根号y/根号x -根号y )-(根号y/根号x +根号y)
已知x=2y,化简根号y/(根号x-根号y)-根号y/(根号x+根号y)
已知x=2y,化简:根号y/根号x -根号y -根号y/根号x +根号y
根号2=1,414.根号20=4,472.根号x=14,14.根号y=447,2.根号20000=m.求:y÷x
已知y=根号(x-8)+根号(8-x)+18,求代数式[(x+y)/(根号x+根号y)]-2xy/(x根号y-y根号x)