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1、二年级下册口算训练32 + 4=40+ 8=21-7=15+ 5 =4 +4=15+ 3=10-2 =24+ 3 =28 + 4=30+ 5=12+4=30+ 6 =48 + 6=9+ 9=36+ 6=42+ 7 =16 + 2 =4+ 2 =16+ 4=40+ 5 =35 + 7=5+ 1 =63+9=36+ 9 =72 + 9=63+ 7=18+3=27+ 9 =54 + 6=32+ 4=42+ 6=36+ 4 =8 +8=56+ 8=24+ 4=25+ 5 =7 -1 =45+ 9=8 +4=21+ 3 =35 + 7=30+ 5=64+ 8=14+ 2 =36 + 6=72+ 8=18
2、+6=2+ 2 =1 +1 =12+ 3=6 +2 =12+ 3 =10 + 5=42+ 6=2 +1 =8+ 2 =21 + 3=14+ 7=20+ 5=4+ 1 =24 + 8=18+ 3=7 +7=35+ 5 =16 + 8=63+ 9=24+8=48+ 8 =28 + 7=15+ 5=14-7=9+ 3 =12 + 6=6+ 3=28+7=6+ 3 =8 +4=20+ 4=12+6=20+ 4 =48 + 8=24+ 6=56+ 7=16+ 8 =5 +5=35+ 5=72+8=6+ 1 =12-36-9=12+ 4X 3=32+8=45+ 9 =56 + 8X 5=14-7+68=2
3、4+ 6=81+ 9 =58+35-7=9X 4+56=56+8=45+ 5 =9X8-15=2-1+41 =12+2 =18+ 9 =4X2+23=29+2 X 7=10+ 5=27+ 3 =42-6+35=64+ 8X6=49+ 7=18+ 2 =55+3X 9=75+4 X 4=15+3+69=21 + (24-17)=18+21+3=35+7+57=22-20 + 5=9X 7-32=66-6 + 2=54+9+37=4X 4 + 2=24+12+2=50-9 X 3=9+3+63=83-25 + 5=7X 5+7=32-8 2=2X 6 + 3=8X 4+29=9X 2 + 6=15
4、+5X 8=64+7X 4=58+3X 2=31-10 2=63+9X3=7X 8-21 =95-6 X 9=5X 7+58=64 8 4=8X 8+9=16+9X 6=39+40 8=30-3 x 4=9X 3+27=73-7 + 1 =15 + 5X9=5X5-17=51-16 +4=29+30 5=12 3 4=30 5+77=82-4 X 7=67+9X 3=3X8 + 4=43-9 X 4=2X1-0=8 + 4 + 2=4X5+15= 38-72+9=(9+0) X6= 28 + (16-9)=(5-2) X7= (29+19) +8=40 + 8X3=7 X (11-6)= (1
5、0-3) X7=72 + (4 X2)= 4X(23-17)=25 + (31-26)= 79+56+ 7=(27-15) +3=89-9 X 9= (77-14) +7=1 x 7+88=68-7 x 9=32 +8-1 =81-287=213+75=16 +8-1 =3 X7-12=279-3=83-9 X9=27+5 X1 =408-1=40 +8X 9=36+81=61+35=217+49=67+71=427 2=87+142=7+4 X 9=65-162=77+328=30 +6X 7=18 +9-1 =9 X 6-34=95-497=4 X9 + 6=72 +9X 8=45-5 X
6、 9=7 X 7+45=8 X 3+38= 39-42 +7= 79+40 +5=63-24 +3=62+30=7 X 8+42= 98-9 X3=19+9 X2=8 +4+48=25 +5X8=17+4 X9=19+2 X8=24+3+28=42+6+77=(9-2)+ 7=(51-6)+9=99-8X 4=(9-5)X 8=53-32+8=35-4X 7=3 X (6+3)= (10+8)+9=5X4-11 =5X 7+56=2(8-1)=23+18=6+1+46=27+ 9-3=9 X 9-66=92+51=27+ 9X7= 48+ (22-16)= 61-5X5= (13-7) +3=
7、 17+3X9= 8+ (21-19)= (4-1) X8= (51-11) +5= 8 (11-7)= 63-24 + 3= 65+12+ 2= 28+ (2+2)= 89+15+ 3= 27+ (19-16)= 24+ (2+2)= 65+2X 8= (4+23) + 3= 74+2X 9=8 + 1X5= 77+49 7= 12+6X9= 6X (4+5)= 54 (4+5)= 42+7X6= 48+2X 9= 28+16+ 4=9 X7-11 = 8+ (24-16)= 57+4 7=(3+9)+ 6=(19+9)+7=4 X(11-4)=28+ 7+57=6X1+3=3X 4+58=
8、24+5 X 6=3X 4+29=80-6 X 8=44-21+3=6(14-5)=56+ (3+5)=28-(11-4)=49+16+8=3 X 5+38=31-12+6=42+6X 4=8 X(11-5)=(7-1) X9=8+4+27=9 X(13-5)=9 X4 + 6=(38-2)+ 6=(19+5)+8=45-2 X 8=7 x(13-9)= (5-2) X 3=88+36+ 9=92-7x 4=36-18+3=51-4x 9=15 +(5+0)=(5+3)X3=84-9 X 8=(8+1)x 5=(9-5) X4=(9-1)x 8=(2+6) X 7=(23+4)+ 9=7X1+
9、36=6+ 3-2=3 (11-4)=72+ 9-7=19-35+5=35+ 5-7=49 + (13-6)=70-6x 6=63-4 6=89+11=8+(20-16)=(51-3)+ 8=5X(6-0)=62+39=(41+22) +7=33+19=72 + 9+85=78+2X2=(30-20) +5=(50-8)+ 7=2X3X8=32-7+ 1 =5 X (12-3)=6+ 3X7=(8-5) X9=62+68=8 (18-9)=54+ 6X5=17+12+ 3=96-37=15 + 3X4=83-89=70-4 9=24+8+ 8=(13-6)5=77+32+4=6 + 2X9=8
10、7+27+ 9=(12-9)8=6X3+2=14 + 7X8=3(1+2)=4+(14-10)=49-6X3=36 + (19-13)=64+24+ 4=(9-6) X9=40-5X7=(23+25) + 6=405-5=9X 1+83=(4+3)X7=(36-0)6=2 X(13-4)=7X 4+64=18+ 3X 7=(6+9)5=284+43=16 (11-9)=36+ 6+29=11+8X 7=24-(5+1)=60-18 9=7X (2-2)=48+24 4=19+6X7=(29-15) +7=(18-9) X5=27 (10-7)=15(2+3)=5X (11-3)=15+ 3+
11、5=(6+10) 4=366+34=72 (16-7)=9X 12+4=24 3+23=(8-1)6=8X 5-3=30+ 6X 4=9X8+69=86-69=(21+3)3=62-2X7=(6+6)3=9X9-12=49 7+35=54+ 9+28=78+8X 6=72-20+ 4=28+3X 2=82-3x 8=(19+9) +7=(14+2)+ 8=7X (5-5)=40+ 5X 7=72-5 X 9=(7+2)X3=20 (2+3)=48+ 6X 5=5 X (13-4)=48(9-3)=2X 6 + 4=43-102=9 X (17-8)=164+67=84-8 X 2=42(2+4
12、)=18 + (24-18)=189+48=33-30 5=7x (5+4)=(44-8) +4=(1+8)x 6=(73-19)6=72-155=14 (2-0)=36(5+4)=61-9X5=84-45+ 9=(20+5)5=17+32=(11-6) X6=94-9x 6=(14+16) 6=38+36+ 6=4X (10-1)=40+ 8X 3=68+21 7=162-8=(54-0) +9=20+ 4X 3=49 + 7X7=(17+1)+ 6=(60-12)8=9X 9-45=90-9 X 9=81-27+ 9=24 4+47=4X2X5=20 + 4+77=26+56+ 7=(6+
13、8)7=5x 5+26=8 X (13-8)=497+39=5X 7-24=12+ 4X 6=77-3 X 5=28+ 7 x 6=6 (2+1)=(7+9)+ 8=(2+16) +3=(16+19) +5=5 X 6-23=21+9 X8=4X(9-0 尸 78+3X6=24 + (尸 314+(尸220 + (尸530+(21-16 尸 5X(18+6尸89+3-1=4x(5+4 尸25+(22-17尸 24-8X2=5X8-21=3X5-7=5X6=( )( )X7=213X6=( )( )-5=4()-4=12X7=()()X7=28( )-3=15X 5+16=7X6+21 =(2-
14、1) X9=6X(12-6 尸23 (33+3)94X 9+14=54-64 + 8=24- (2+6)=(66+15) -9=(13+17) -6=91-9 X 8=5X 5-14=27-2 X 9=10+(17-12 尸(37-7) -5=32+(18-14 尸(5+2) X 7=3X 9=()8+(尸425+(尸5()+5=227+(尸35X ( )=402X3=()(3+9)692-745+7(5+7)81-9(7-1)357422735()()21()()x 9-6=+ (3-0)=+ 9=X 6-5=+ 6=X 3+37=X 5=+ 1 =+ 4=X 4=X 4=X 5+37=+1
15、+18=X 3-4=-(5+1)=+ 9+69=x(尸9X( )=35X5=20X6=12x( )=10X6=()+ 9=1-2=2()X 9=452 X (尸62X7=( )( )-8=5()X 9=273X5=()32 + (尸481+(尸945 + (尸528+(尸48X8=( )14+(尸212 + ( )=4( )-6=527-( )=38X5=()()+5=91 X( )=57X9=( )( )-4=118 + ( )=96X7=()6X9=( )36-( )=6()x 9=63( )-3=85X(尸25( )-8=2()+6=77X7=()6X8=( )( )X9=36()X5=
16、156x( )=1864-( )=8( )X4=32()+1 = 16+(尸36X9=( )36+()=4()+9=57X(尸284X6=( )( )X9=45()+5=415+( )=5()+2=3( )X5=25TL+ () ZCOHbX () 6万()69 9)+gco ()&G9 。9乂 )+w NZH8X () L)+z ZT6 X ( ) 6也 + () 9寸H( )8z 0T( )xb 8H 寸+ ( ) ()=9X8 coT 寸 eSR 工) (H6L + W ZCOH( )99 (llgx L 9Too (llzcoAg 寸H( )+8 LT( )x L N8H( )，6 S
17、HOX () gzHo+()9CO)69 9)+9 寸 (II9X e 8H ( )+0 寸 (II8X 9 T( )+0L 9T 9N gco也 X () gH( t 00 8LH6X () s+ ( ) T( )+8 L=( ) + 6 ()=e XL 9COH b X ( )CO)+NL s+ () (H8X6 nlhcox () ( )H9xg co也+ ( ) 8)+8 寸 寸H( T 9L rhcox () 99 X () (118X96 II+ co 0000 乂 +S00O)X00乂X 99LH9X () 8Z)Z8 cog乂 )9zco9H6 X () 09HLe+( ) (
18、llzcoAZ WHZX () (H6LACO 0T ( )x 9 (H8X8 (II= G9 (H6XZ COLHOH ) N 寸也x () ZH( T 99 99)，8 8T( )x L 。9乂 )+6e 9lh( )x 8 6ZHZ9+() 9H6 + ( ) 8予9 X () (H9L+9Z 8lh( )x 9 8HCO+ () 。寸 Hg X () (ll6zl()xg 9L=寸X () 寸=()+812+642+ 5=2 51-3525 + 6=32x6+38=18+( )=3 .()66-564-7 =:6X 5=()()84-题6 ) 5 4=1+( )=2094-32-8 =()X 7=352 X (98+9x2=9+ ( )=326+69=()()927=1 7 = 3+( 2=34+73二18+ ( )=316+()=43x7+19=9x4+18=729+51-57-3乂7 二Sx5+49=2x6+3X=66-56;7 =8x8-54=98+9x2=92-3x7 二14+20-4=99-4x5=*5-14+2 80+3x7=21 + 47二12+64-？K=51-35-5 =94-32+8 =72+5x6-247 十 7 3二