4.9506保留三位小数是 ,保留一位小数是 .
( )+356=912 128-( )=11
( )+125=352 408-( )=205
( )+351=652 125-( )=22
( )+325=561 641-( )=365 ( )-158=369 356+( )=515
( )+148=742 512-( )=259 ( )-201=125 456+( )=545