一年级数学题

1、8+6=100-40-40=30+50 70=92-2-70=17-10=18 -9=7+7=50+30=12-5=64+6=80+7=2+63=100-50=80-80=96 70=23-8=15-5+4=9+3+7=17-8+6=16 -6+7=7+8+2=9+86=12-7+7=9+9 -9=60+10+8=70-6=59 40=63 60=34+60=70 40=95-5=83-83=43 + 20 =2910 =45 + 20 =78 20 =50 + 50 =30 + 60 =60 30 =5520 =74 + 20 =72 + 8 =56 30 =42 + 8=32 + 7 =8

2、0+ 10 =30 6 =70 + 20 =25 5 =65+ 10 + 3 =45 + 20 3 =47 7 30 =40+28 =57 6 =91 + 8 =72 5 =8 + 45 =90 20 =18 9 =13 + 60 =30 + 50 =3+35 =46 40 =52 4 =46 + 22 =9036 =9578 =43 + 47 =20 + 50=80-30=58-8=70 + 6=91-80=45+3=36+4=85+13=54+9=28-6=23 + 20=77 + 5=24-7=87-50=25+30=72-9=23-8=5740=45-3=37 + 8=41+20 =6

3、+8 =7+6516-9 =68-5 =83-7 =96-6=29+40=50+38 =45-8 =54-4030+60=40+ ()=46(:)+9=13(-5=3079- ( ) =7078-50 =65-60 =78+5 =32+50-40 =50-40=40-32=21 + 18=43 + 40=88-12=80-28=31 +7=43-19=91 54=36+ 17=52 + 18=60 + 8=17+31 =92-12=2+54=38-20 =50+26=84+4=4+43=49-7=30 + 6 =23+ 50=19+40=13+30=88-4 =58+7=57S=6+57=36

4、 + 20=65 - 30=49 + 6=95 - 60 二5 + 38 =4+56 =(1)16-4-3=(2)1729 二(3)13-6+5=(4)15-7+6=(5)12+3-8=L 87-80=96-6=777=74-70=2.60+6=4+60=27-20=30+2=(6)11-6+8=(7)1894 二(8)7+8-6=(9)14-5-8=(10)11-4+7=99-9=80+9=2+40=84-40=55-5-84-4=5+70=48-8=56-50=66-4=8+50=66-40=8+70=87-7=3530=666=39-4=74-40=1+60=32+3=86-80=50+

5、3=22-2=78-50=40+5=6+20=98-8=98-80=15+9-20-43-8+20=54+40-70=75-9-40=83-30-6=70-4+7=25+30 5=98 40+8=33 + 9 =78-20 二49 +30 + 10 二46 + 6 =637 =557+ 40 =71-10 =83-60 + 50=70 +20-7 =25 + 40 =21 + 30-7 =37-20 + 40 =50+5 =35+2 =39-4 =8+50 =76-5 =169 =40 + 6 =62 + 7 =89-5=63 + 3 =50-20=11+2=53-3=60+8=87-7=71

6、+9 =14-4 =26-5 =84+4 =35-10 =12+6 =29-7 =33 + 2 =3 + 40 =15 + 4 =23+5 =37 + 1 =29-3 =38-3=15 4 =18-2 =30+8 =43+1 =86+2 =70 + 3 =20-9 =18-9 =72-2 =664 =39-2 =53+5 =35+2 =39-4 =8 + 50=20-6 =16+9=5+18=17-3二36+6=29+5=87+2=40+30=35+8=4+19=4+26 二4+32=25+4=7+9=29+7=80-30=9+20=40+6=35+30=62+8=70+5=23+7=26+8

7、=19+60=32+8=16+9=11-2 =16-9=86-8=96-2 =24-9=40-20=60-30=15-8 =18-2 =38-8=35+5 =85+2 =80 40=78 + 10 =80-50=62+6 =32+7 =495 =63+3 =84-2 =164 =11+20=45-3 =30+8 =14-7=25+4 =36-5 =84+4 =52-3 =71+9=88-4 =76+0 =93-3 =18+5 =70-50=56+20=34+6 =65+3 =15-3 =30-30=32+6 =29-7 =35+2 =73+4 =25+4=43+5 =87 + 10=39-3=48-30=954815-6 =60+8 =39 + 10=76+10 =70+30=48-9 =17-8 =2+41 =17-8 =68-8 =42+5-40二0-95-80二60-50+24二7+50-50二8-63+20二90- 80+50