用简便方法计算已知a=0.000...(100个零)025,b=0.000...(100个零)04,求a*b?
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:2024/07/07 18:13:46
用简便方法计算已知a=0.000...(100个零)025,b=0.000...(100个零)04,求a*b?
![用简便方法计算已知a=0.000...(100个零)025,b=0.000...(100个零)04,求a*b?](/uploads/image/z/8409315-3-5.jpg?t=%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97%E5%B7%B2%E7%9F%A5a%3D0.000...%EF%BC%88100%E4%B8%AA%E9%9B%B6%EF%BC%89025%2Cb%3D0.000...%EF%BC%88100%E4%B8%AA%E9%9B%B6%EF%BC%8904%2C%E6%B1%82a%2Ab%3F)
a=0.000…(100个0)025/1=25/10^101 b=0.000…(100个0)004/1=4/10^101 ∴a*b=(25/10^101)*(4/10^101)=100/10^101=1/10^98
用简便方法计算已知a=0.000...(100个零)025,b=0.000...(100个零)04,求a*b?
a=0.000..03[2014个零】,b=0.000...15[2014个零】,求a+b,a/b
a=0.0.(200个零)025,b=0.0.(2001个零)016求:
a=0.00.025(1997个零) b=0.00.08(2000个零) a÷b=
a=0.0000.0125(1984个零),b=0.0000000.08(1988个零),求a+b,a-b,a*b
a=0.00.0125;b=0.00.08,求a+b,a-b (190个零) (191个零)
A=55555 B=555...5(101个5)求B除以A的商有几个零
设a=0.00…0125(9个零),b=0.00…08(十个零),求a+b,a-b,a乘b,a除b.
已知a=0.000...025是100个0,b=0.000...04也是100个0,求a×b
a=0.00.032(包括了124个零) b=0.00.05(包括了125个零)a乘b=
已知a+b+=c(c是非零常数)
已知x=a+b\b+c=b+c\a+c=a+c\a+b,求x的值 (a+b+c不等于零)