小学一年级口算题:一年级口算练习31 60+8= 39+10= 76+10= 70+30= 48-9= 47-8= 52-4= 43-8= 68-9= 40-2= 27-9= 32-4= 41-2= 38-9= 30-2= 72-2= 66-4= 39-2= 20-9= 53+5= 16+9= 5+18= 17+3= 36+6=