已知a=0.0...025,25个0 b=0.0...04 25个0 求:(1)a*b (2)a/b已知a=0.0...025,小数点后25个0b=0.0...04 小数点后25个0求:(1)a*b (2)a/b
问题描述:
已知a=0.0...025,25个0 b=0.0...04 25个0 求:(1)a*b (2)a/b
已知a=0.0...025,小数点后25个0
b=0.0...04 小数点后25个0
求:(1)a*b (2)a/b
答
ab=0.000....01小数点后有50个0
a/b=25/4
答
(1)a*b =0.000..001小数点后50个0
(2)a/b=0.625