四年级数学下册 常考的各类口算练习题

四年级数学下册 常考的各类口算练习题


简介:
( )−65=311 ( )−534=64 ( )−21=671 ( )−876=12 ( )−172=11 ( )−654=33 ( )−332=23 ( )−223=45 ( )+12=367 ( )+21=149 ( )−74=213 ( )−66=622 ( )+15=946 ( )+35=949 ( )+52=288 ( )−151=200 ( )−110=450 ( )−350=640 ( )−260=410 ( )−687=300 ( )−507=400 ( )−165=200 ( )−288=700 ( )−500=104