一、在空格里填上适当的数。(34分)
18139
9( ) ( ) ( ) ( ) ( ) ( ) 16( ) ( ) ( )20 ( ) ( )
( ) 6 7 5 8
3 1 2 ( ) 2 ( ) ( ) 3 1 ( )
10 9 ( ) ( ) ( )
1 ( ) ( ) 6 1 4 3 3 3 5
二、计算(40分)
4+3= 6+2= 9-3= 10-5= 8-2=
5+5= 3+7= 8+0= 5+6= 2+9=
4+9= 6+8= 14-4= 7+7= 18-8=
8+8= 19-5= 6+7= 8+3= 5+7=
4+8= 9-9= 9+9= 1+13=
9+0-9= 9-1+6= 4+9-3= 8-1= 2=
2+7+6= 9-3-6= 1+1+0= 8+8-6=
10-2+7= 3+8-1= 7-0-6= 6+1+5=
10-4-5= 2+3+5= 5+2+0= 8-5-2=
0+5+9= 10-4-6= = 6+8-10= 8-2+6=
三、在( )里填上"<"">"或"="。(16分)
9+5( )14 16-10( )10 3+8( )9 13( )7+7
8( )19-9 6+9( )15 14( )18-8 6+7( )14
19-9( )9 8+7( )10 9-4( )6 17-0( )18
15( )15+0 15( )15-0 6+7( ) 12 14-4( )8
四、看图列出四个算式。(10分)
1、△△ △△△△ 2、△△△△△△ △△
( ) +( )= ( ) ( ) --( )= ( )
( ) +( )= ( )
( ) --( )= ( )
3、
( ) + 3 = ( )
3 + ( ) = ( )
( ) - 7 = ( )
10 - ( ) = ( )