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1、北师大版二年级数学下册口算练习(一)87-55=6X7=6000+ 800=500+700=680-200 =49 + 7 =628-328540+535=89+300=(15 + 25)+8=38+ 6 =6X 8=560-40 =400+200=4X(5748) =61-14=53+48=540+90=540-90(35 20)+3=26 + 4=150 + 328 =500-80=1000-600=3200-800=780180=370-200=530+140=46+7=45- 15+ 5 =290+140 =560+210=790-90 =50 + 8 =72+9 8=400-400=

2、550-320 =800-90 =45 + 9 =100 (45+25) =360-60=10069=430+140=56+ 7=63+18+ 9=43+ 140 =840-400=77- 26=51 + 9=(5022) + 4=62+8 =27 + 5=85-79=240 + 68 =1500-900=36 + 4 =47+8=380-50 =685+200=56 + (4X2) =54+6=261+425 =400+1400=(9 4)X9=50+8=999-456=8000-3000=650-340=3X3X 3=7X8X0=80-( )=187X(45 + 5) =51 + 6 =

3、8()北师大版二年级数学下册口算练习(二)班级姓名70-24 =72+9 =12 + 48+6=20 64+8=63+ 7+46=(63 27) + 6 =54 + 6+37=303 + 3 =45 6X6 =(17 8)X7 =64- 28 =49+(2417) =34+ 72 + 9=64- 25+53=6X7 24 =19+ 9=907X8 =16+ 87=45+(3 + 6)=56+(35+ 5)=(5917) + 6=8125+ 38=2715+3=518X4 =12+18+3=48+12 =8X7 =42+ 6=47 + 9=36+(54 48)=27+ 29 =9X4 =48+8

4、=32 + 7=63+7X3 =4229 =6X8 =54+ 9=44 + 8=7+(7 + 7)=65-38 =5X9 =64+ 8=59 + 7=50- 5+5=45+ 38 =7X5 =28+7=39 + 6=56+ 7+ 36=37+ 46 =6X7 =92- 36=25 + 3=48+6+54=5X8=42+ 6=56+ 27=18 + 6=7X8 32=57+ 6 =48+7=83- 48=7X7 =(6+3)X8=38+4 =58+ 6=22+4=33 + 7=24- 4X5=28+4 =5X9 =6X0 =47 + 6=48+54+ 6 =6X( ) = 08+( ) = 8(

5、63 57)X7 =46+( ) = 10467+ ( ) = 94()X7 = 2836 + 6X9 =() + 39= 5540+( ) = 576+ ( )=84()e334+( ) = 3427+( ) = 27(96 47)+ 7=() + 9 = 674X( ) 二 2418+( ) = 3648+( ) = 6100-29-38 =(72 48)+6 =5X 9X 1 =81 + 9+3 =74 36+ 17=45+ 2915=68 + 8=()()北师大版二年级数学下册口算练习(三)班级座号姓名54+ 38 =36+ 4=778 =5X5 =20+20+ 5 =41 19 =6

6、 + 6 =45+9 =213 =39 9 + 3 =9义1 =49- 17=64+8 =58+14=(4313)+6 =9X2=27+29=4X 0=32 + 4 =42 + (103)=63+ 7 =45+38 =7X5 =36- 19=64+4X 4=0X8=18+9=6X 8=8169=40 20+ 4=8+1 =35+ 5=48+12=,;48 + 8 =9X99=54+ 6 =6X6 =18+46 =72 + 9 =(25+7)+8=24- 18 =56+ 7=18+6 =28 + 4 =36 36+ 9=7X 8=279=9X 4=3X8 =4515+ 5=186 =12+4=8

7、3- 28=14+ 7X2 =(38 20)+9 =4229 =4X9 =3 + 3 =4X76=(18 + 22)+5 =3X5=42+ 6=7X7 =6X9+9=56+(37 29)=45+ 9 =50- 35=18+6=81 + 63 + 7 =(60 28)+8 =18+2 =3X7 =5X9 =45+ 2915=(64 60)X7 =8-( ) = 186X( )=0()+7=7()X3=183+( )=3940+ ( )=5()X7= 283X( )=1834+( ) = 34()-3= 255X( ) = 35()+ 35= 5524-( ) = 66X ( ) = 3612+(

8、 ) = 442+6 =60- 20+5 =6X4+4=24 2X9=24+ 6-4 =8X8=6X(2315) =(2412) + 2 =18+7X8 =(51 23) + 7 =54+ 37 =100 45+25 =63+(36 29) =83 6X9=(36+45) + 9 =北师大版二年级数学下册口算练习(四)班级座号姓名370+430=640 70 =28+4 =44+ 7=12 + 8 + 4=750+25=7829 =63+7 =50+ 6=5X94=299+302=200 160 =48+8 =66+ 8=50 8X6=290+15=400 397 =72+9 =40+ 9=(

9、5018)+8 =406+16=600 65 =54+6 =27+ 4=(16+16)+8 =47- 12 =299+ 102 =67049=412+460=370+ 5X 6 =18+3 =700520 =527+460=358+ 440=40 8 + 4=8X 7=69048=1000- 480=420180=30+10+ 5 =42+ 7 =37+25=700+480=208+ 92=940 870=5X6=570500 =800 704=335 223=57 28+4 =9X8=450+ 130 =17056 =3000+480=(45 38)X5 =72080=126+48=300+

10、 130=2000+ 8000=85+(100- 86)=81370=550290 =70+ 500=10000- 3000=27+29+ 7 =150+77=697 147=650320=3700- 700=900 (402+199)=650132=170+230 =440 300=1500- 800=586+400750=2X3X4=8X9X1=65-( ) = 279X (48+8) =52+7=7()7X ( ) = 012-( )=12(54-45)X8 =37+( ) = 10346+( ) = 74()X4 = 3648-8X 9 =() + 27= 6635+( ) = 553

11、+( )=65()+8=763+( ) = 6331-( ) = 31(8139) + 6 =()- 6 658X ( ) = 4029+( ) = 4654+ () = 6100-34-49=(84 35)+7 =6X8X1 =64+8 + 4 =82-39+28=46+37 28=61 : 7()()北师大版二年级数学下册口算练习(五)班级座号姓名5X8=56+8=16+34=27 + 3 =(47-42)X8 =50-40 =27+0=8X7 =21+3 =5X9 33=28+4 =7X4 =27+39=0X8 =(5412)+6 =6X 1 =60 37=5X5 =4 + 4 =63+

12、(49 + 7)=63+7 =25+ 5=6X4 =6X0 =72+(5041)=5X6=26+48=42+7 =4X9+7=63+3X 9=6531 =12+2=24+3 =50-4X 8=3X0X4=9X4=28+42=56+8 =1X4X8=(472)+5 =3X 7=36+ 6=6X8 =18-6X 8=(19+17)-4 =27+9 =3218=18 + 6 =90-7X 9=5424+3 =8X2=24+3=4X9 =9+3X8=(30 6) + 6 =25+45 =45+ 9=9X8 =5X818=(40 + 24)+9 =18+3 =46+ 38=36 + 4 =28+6X4=50+2638=45+5 =9 + 9 =12 + 2 =27-3+ 7=5527+15=7243 =6X8 =36+27=5乂7+6=月8785+28=6+( ) = 52()e3()+4=431 + 28 =35+ 9 =33- 15 =81 = ( )X9()-20= 20()+7=39X9 4

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