(1)把下面的分数和小数互化.
0.75=( ) 25 =( ) 3.42=( )
58 =( ) 2.12=( ) 414 =( )
(2)简便计算
.71×99 2.3755+2996 3.8439+1001 4.446+295 5.888+999 6.1125-996
(3) 299×101 8.563×999 9.2100÷20 10.6÷0.25 11.72×156-56×72 12.25×32×125
(1)把下面的分数和小数互化.
0.75=( ) 25 =( ) 3.42=( )
58 =( ) 2.12=( ) 414 =( )
(2)简便计算
.71×99 2.3755+2996 3.8439+1001 4.446+295 5.888+999 6.1125-996
(3) 299×101 8.563×999 9.2100÷20 10.6÷0.25 11.72×156-56×72 12.25×32×125