选数填空:把准确的数填在括号里.200.7.9.450.300.900.180.20.30.90.2.70( )*( )=900 ( )*( )=2700( )*( )=5400 ( )*( )=6300( )*( )=1800 ( )*( )=14000

问题描述:

选数填空:把准确的数填在括号里.
200.7.9.450.300.900.180.20.30.90.2.70
( )*( )=900 ( )*( )=2700
( )*( )=5400 ( )*( )=6300
( )*( )=1800 ( )*( )=14000

( 450 )*(2 )=900 ( 9 )*( 300 )=2700
(180 )*(30 )=5400 (7 )*(900 )=6300
(20 )*(90 )=1800 (70 )*( 200 )=14000