2017小学一年级数学下册口算题

22-3= 12+16= 23-8= 14-7= 12-5=
8+15= 31-5= 24+7= 16-8= 19-5=
9+14= 22-9= 19-8= 14-9= 14-14=
24-9= 12-11= 25-6= 19-8= 22-14=
35+7= 12+8= 14+6= 14-9= 15+6=
18+10= 17+9= 50-3= 60-23= 30+16=