00..012,99个0 b=0.00..025 100个0 c=0.0...08 100个0 求a/(b*c)
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
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?
有3个质数,满足A+B+C+A*B*C=99,求ABC
已知a=0.00...(2000个0)0125,b=0.00...(2004个0)08,求:a+b,b-a.
已知a/b/c/是三角形ABC的三边长,如果a,b,c满足a的平方+c的平方+2b(b-a-c)=0求个内角度数
C B C + B C B =A B B A A、B、c、个表示什麽数
已知a=0.000...025是100个0,b=0.000...04也是100个0,求a×b
a=0.00.0125(1984个0),b=0.00.08(1988个0)试求:a+b,a-b,a*b,a/b
a+b+c=0,abc求a(b+c)+b(a+c)+c(a+b)
a=0.00.0125(1996个0), b=0.00.08(1996个0),求a×b,a÷b,a+b
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