1、 2014年人教版一年级数学下册计算题20+30= 30+40= 9+30= 9080= 20+30= 30+40= 6+95= 955= 80-80= 60-0= 50+6= 8030= 10+20+60= 904030= 25+40=35+4= 42+3= 5+26= 7+21= 35+40= 35+3= 43+50= 30+50= 30+59= 60+20= 60+37= 24+70=2+86= 48+40= 50-40= 60+23= 9+20= 40+40=13+70= 25+60= 48+40= 79+20= 58+20= 20+67=36+8= 36+8=24+9= 46+7=
2、8+63= 5+35= 48+9= 27+6= 23+8= 67+5= 5+47= 59+2= 25+6= 48+4= 79+2= 49+4=36-8= 36-8= 32-5= 44-9= 30-6= 84-6= 70-4= 92-7= 53-4=74-6= 52-9= 41-7= 51-8= 76-8= 45-7= 80-5=50-6= 34-7= 85-9= 63-8= 13-8= 16-8= 92-7=10-（2+3）= 155+4= 15(5+4) = 8+5+7= 8+(5+7)= 13(5+4) = 87-9-10= 43-(3+27) = 76-6-8= 65-7-40= 39(9-5) = 36+40+2= 59-9-20= 63-30+5= 30+(11-7)= 47+(5+7)=40+(15-8)= 75-(10+50)= 13+7+54= 38+(46+6)= 67-8-50=83-(27-20)= 17+6+8= 43-8-30= 60+38-90= 50+27-9=54+(17+3 93-(68-20)= 2638 86652
