a=0.00...0125 b=8000...0 a,b都是50个0 求a*b
a=0.00...0125 b=8000...0 a,b都是50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
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都是实数,且1/a+1/b-1/(a-b)=0,求b/a的值如题
a=0.00.0125(1996个0), b=0.00.08(1996个0),求a×b,a÷b,a+b
设a,b都是有理数,且(a减3)的平方+|b+2|=0,求a个b相乘等于多少
a+b+c=0,abc求a(b+c)+b(a+c)+c(a+b)
已知a+b=0 ,a不等于b , 求b除以a 加上 a除以b
a=0.00...0125(2002个0),b=0.00...08(2004个0) 求(1)a+b=?(2)a*b=?
数学题,A=0.00.0(2000个)0125,B=0.00...0(2004个).0,8,求A+B,A-B,求解,
a=0.00...0125,52个0,b=0.00...08,48个0.求a×b
a=0.00.0125(1996个0),b=0.00.08(2000个0)试求:a*b,a/b