小学一年级整十数加减法计算9页.docx

整十数加减法计算（1）30+7= 65-5= 44-4= 1+80= 84-80= 74-4= 28-20= 60+7= 70-20= 60+40= 70+30= 30-10= 50-20= 5+90= 46-6=10+50= 70-30= 71-1= 60+30= 30+70=100-50= 50+50= 37-30= 91-1= 93-3=6+40= 7+60= 30-0= 37-7= 100-60=76-6= 46-6= 40+50= 78-8= 54-4=8+70= 40+5= 100-70= 100-90= 6+40=8+60= 78-8= 62-10