已知A=0.00...022(1000个0)B=0.00...05(1001个0)则A+B=( )A*B=()
问题描述:
已知A=0.00...022(1000个0)B=0.00...05(1001个0)则A+B=( )A*B=()
答
A+B=0.000.27(1000个0)
A*B=0.0000.11(1001个0)