一年级数学口算练习题100以内的填括号
(1)()-53=44(2)95-()=16(3)()+61=77(4)()+34=98(5)()-43=19(6)35+()=88(7)()+17=81(8)()-64=22(9)()-20=8(10)()+44=98(11)66-()=21(12)()+11=72(13)95+()=99(14)44+()=69(15)90+()=98100以内的填括号参考答案(1)(97)-53=44(2)95-(79)=16(3)(16)+61=77(4)(64)+34=98(5)(62)-43=19(6)35+(53)=88(7)(64)+17=81(8)(86)-...