已知a=0.00...012 99个0 b=0.0...025 100个0 c=0.0...08 100个0求a/(b*
00..012,99个0 b=0.00..025 100个0 c=0.0...08 100个0 求a/(b*c)
已知a=0.0.012 ,199个0,b=0.0.25,100个0,c=0.0.8,100个0,求a,b,c等于
已知a=0.00...(2000个0)0125,b=0.00...(2004个0)08,求:a+b,b-a.
已知a=0.000...025是100个0,b=0.000...04也是100个0,求a×b
已知a=0.0...025,25个0 b=0.0...04 25个0 求:(1)a*b (2)a/b
a=0.00.0125(1984个0),b=0.00.08(1988个0)试求:a+b,a-b,a*b,a/b
a=0.00.0125(1996个0), b=0.00.08(1996个0),求a×b,a÷b,a+b
已知a=0.00.025(14个 0),b=0.00.04(16 个0).求a*b的结果是多少?
⒈已知集合A={0,2,3},B={x|x=a·b,a,b∈A},则B的子集个数().A.4个 B.8个 C.15个 D
若有理数 a,b,满足|a-1|+2个[b+3]相加再加|3c-1|=0,求100个[abc]的值?
a=0.00...0125,52个0,b=0.00...08,48个0.求a×b
6、A=0.000……035,B=0.000……02,求A+B,A×B,100个0 99个0