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?
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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?
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…(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