二年级上册数学口算练习

78+19=47+26=9+37=28+63=17+27=28+24=37+29=13+58=21+59=67+18=32+39=24+58=37+23=12+78=56+29=17+14=53+29=18+68=35+39=18+32=47+45=46+23=46+19=39+31=46+18=54+37=19+53=48+35=19+58=54+26=39+49=69+6=69+24=25+16=65+28=25+37=21+59=23+47=19+45=64+19=36+15=49+32=56+16=35+45=38+37=91-18=83-19=90-68=32-17=60-35=

40-23=74-17=64-26=57-28=46-27=32-23=80-57=70-46=92-38=81-35=78-39=62-34=51-32=41-39=93-47=82-46=75-48=63-54=30-12=68-34=53-46=97-59=86-59=71-53=61-54=50-14=56-18=95-87=40-23=74-17=62-15=43-15=23-18=91-26=81-27=20-11=74-29=35+39=65+28=54+26=78-39=62-34=51-32=41-39=75-48=63-54=30-12=68-34=53-46=97-59=

86-59=93-47=56-18=95-87=33-12=29+36=54-20=39-18=27+27=58-14=

54+45=78-44=88-29=97-34=62+19=

64+28=62-42=76-22=30+12=73-52=

43+23=57-23=62-13=81-31=19+21=

66-18=3+88=15+43=78-37=72-5=

16+9=45+25=18+13=66-39=38+23=

77-38=41-27=82-32=55-33=20+13=

69-37=15+9=98-36=53-28=52+33=

84-36=35-22=34-11=3+33=29+2=

20+71=52-12=87-34=29-13=89-75=

98-45=21+32=89-34=89-73=78-61=

90-83=21+39=24+57=90-34=25+36=

21-9=26-7=46+18=87-75=22+55=

52+32=32-24=38-31=84-21=23+56=

21-2=63-6=73+9=2+45=32-7=

87-24=67-4=53-7=42-8=83-32=

35-8=87+3=34+8=42+24=69-28=

19+16=21-2=76-27=97-76=11+49=

72-8=32-5=33-8=49-10=33-3=

17-3-3=20-13-3=10-4+7=9-4+5=3+9-4=

6+5-7= 8-6-2= 19-4-5= 6+9-4= 7+8-4=

32-6-21= 89-80+27=63+7-17= 40+29-7= 84-4-20=

68+12-20= 70-30-12= 32-6-21= 90-5-9= 92-20-7=

58+31-23= 48-25+21=64+28-5= 42+8-19=55+7-23=

33+45-52=23-2+42=96-33-21=87-23-32=76-24-33=

37-8-9=27+4+9=42-9-7=61-7-8=39-9-17=

29+16-28=54-8-13=8+8+9=24-12-6=18-13-2=

37-14-7=29-17-4=16-5-6=18-6-5=15-6-4=

31-7-7=21-8-11=11+7+4=14-7+8=31-11-9=

20+7-13=52-12-9=87-34-8=29-13-7=9-7+8=

19+16-9=21-2-7=76-27-16=97-76-9=11+6+9=

16+9-12=45+25-5=18+13-6=66-39-7=38+2-7=

7+8+19=47+2-6=9+3+7=28-6-3=16-9-4=

72-6-9=32-5-7=33-8-9=49-10-7=33-3-5=21-2-9=63-6-9=73+9-17=2+45-9=32-7-8=35-8-5=87+3-9=34+8-7=42+24-9=6+9-2=87-24-8=6+7-4=53-7-9=42-8-7=83-3-2=

66-18-9=3+8-8=15+4-3=78-3-7=72-5-9=

16+9-7=45+2-5=18+3-7=66-3-9=38+2-3=

52+3-2=32-2-4=38-3-1=84-2-9=23+5-6=

21-2-5=63-6-9=73+9-7=2+4-5=32-7-8=

87-2-4=67-4-8=53-7-9=42-8-7=83-9-7=

17+14-5=53+2-9=18+6-8=35+3-9=18+3-2=47+4-5=46+2-3=46+1-9=39+3-9=46-8-8=54-3-7=19-5-3=48-3-5=19+5-8=54+2-6=

36+8-5=49-3-2=56-9-6=35-4-5=38-3-7=91-8-7=83-7-9=90-6-8=32-7-8=60-8-5=

32-3-7=80-5-7=70-4-6=92-3-8=81-3-5=78-3-9=62-3-4=51-3-8=41-3-9=93-4-7=

77-9-8=41-8-7=82-3-2=55-3-8=20-7-3=

69-3-7=15+9-7=98-13-6=53-2-8=52-9-3=

44-3-6=35-22-7=34-5-7=23-8-3=29+2-7=

29+3-6=54-9-0=39-18-7=27+2-7=58-14-8=

54+4-5=78-4-8=88-29-6=97-3-4=62-9-6=

29+3-6=54-20-7=39-18-5=27+27-9=58-14-8=

54+4-5