1、2+1= 1+3= 2-2= 2+1= 1+3= 2-2= 口算训练(3) 口算训练(3)( )+2=3 3+( )=5 4-( )=3 ( )+2=3 3+( )=5 4-( )=3( )+0=3 3-( )=1 ( )+2=4 ( )+0=3 3-( )=1 ( )+2=45-( )=1 ( )+1=2 3-( )=0 5-( )=1 ( )+1=2 3-( )=01+( )=4 ( )-1=2 ( )-2=2 1+( )=4 ( )-1=2 ( )-2=22+( )=3 ( )+1=5 0+( )=4 2+( )=3 ( )+1=5 0+( )=43-( )=3 ( )-0=4 ( )+
2、0=5 3-( )=3 ( )-0=4 ( )+0=5( )-3=2 3+( )=4 2-( )=2 ( )-3=2 3+( )=4 2-( )=2( )+0=4 0+( )=1 ( )-0=0 ( )+0=4 0+( )=1 ( )-0=0( )-0=1 5-( )=5 0+( )=0 ( )-0=1 5-( )=5 0+( )=0( )+2=2 0+( )=5 ( )-1=0 ( )+2=2 0+( )=5 ( )-1=0 2-( )=0 ( )-5=0 4-( )=0 2-( )=0 ( )-5=0 4-( )=02+( )=5 ( )+0=1 ( )+4=5 2+( )=5 ( )+0
3、=1 ( )+4=5 口算训练(4) 口算训练(4)3+( )=5 3+( )=3 ( )-3=1 3+( )=5 3+( )=3 ( )-3=13+( )=4 3-( )=0 2+( )=5 3+( )=4 3-( )=0 2+( )=55-( )=3 1+( )=1 ( )-1=2 5-( )=3 1+( )=1 ( )-1=21+( )=5 3-( )=3 4-( )=3 1+( )=5 3-( )=3 4-( )=3( )+1=2 ( )+0=4 ( )+3=3 ( )+1=2 ( )+0=4 ( )+3=3( )-1=2 ( )-4=0 5-( )=3 ( )-1=2 ( )-4=0
4、 5-( )=3( )-4=1 ( )-2=1 ( )-1=1 ( )-4=1 ( )-2=1 ( )-1=1( )+1=5 ( )+1=1 1-( )=0 ( )+1=5 ( )+1=1 1-( )=0( )-3=1 ( )-5=0 ( )+2=2 ( )-3=1 ( )-5=0 ( )+2=2( )+2=4 ( )+4=4 1-( )=1 ( )+2=4 ( )+4=4 1-( )=1 ( )-2=2 ( )-0=5 ( )-0=4 ( )-2=2 ( )-0=5 ( )-0=4( )+1=3 ( )+3=4 2-( )=0 ( )+1=3 ( )+3=4 2-( )=0 口算训练(5)
5、口算训练(5)3+5= 9+0= 9-3= 3+5= 9+0= 9-3=3+6= 7-3= 2+4= 3+6= 7-3= 2+4=9-2= 1+6= 7-1= 9-2= 1+6= 7-1=3+4= 6-0= 9-1= 3+4= 6-0= 9-1=1+5= 4+4= 6+3= 1+5= 4+4= 6+3=7-1= 8-4= 7-2= 7-1= 8-4= 7-2=5+4= 8-2= 8-1= 5+4= 8-2= 8-1=8+1= 0+8= 6-6= 8+1= 0+8= 6-6=6-3= 6-5= 0+9= 6-3= 6-5= 0+9=2+4= 0+7= 1+5= 2+4= 0+7= 1+5= 9-
6、8= 8-0= 7-7= 9-8= 8-0= 7-7=2+5= 3+3= 9-9= 2+5= 3+3= 9-9= 口算训练(6) 口算训练(6)4+5= 6+0= 9-1= 4+5= 6+0= 9-1=3+3= 7-1= 2+5= 3+3= 7-1= 2+5=9-7= 1+5= 7-0= 9-7= 1+5= 7-0=3+5= 8-0= 9-6= 3+5= 8-0= 9-6=1+8= 4+3= 5+3= 1+8= 4+3= 5+3=7-5= 8-6= 7-6= 7-5= 8-6= 7-6=5+2= 8-4= 8-2= 5+2= 8-4= 8-2=6+1= 0+7= 6-1= 6+1= 0+7=
7、6-1=6-5= 6-2= 0+6= 6-5= 6-2= 0+6=2+7= 0+9= 1+7= 2+7= 0+9= 1+7= 9-3= 8-8= 7-4= 9-3= 8-8= 7-4=2+6= 6+3= 9-5= 2+6= 6+3= 9-5= 口算训练(7) 口算训练(7)4+1= 5+0= 9-4= 4+1= 5+0= 9-4=3+4= 7-7= 2+6= 3+4= 7-7= 2+6=9-5= 1+8= 7-1= 9-5= 1+8= 7-1=4+5= 8-1= 9-3= 4+5= 8-1= 9-3=1+6= 4+2= 4+3= 1+6= 4+2= 4+3=7-4= 8-3= 7-0= 7-4
8、= 8-3= 7-0=5+3= 8-1= 8-6= 5+3= 8-1= 8-6=6+2= 0+6= 6-3= 6+2= 0+6= 6-3=6-6= 6-5= 0+9= 6-6= 6-5= 0+9=2+4= 0+4= 1+3= 2+4= 0+4= 1+3= 9-7= 8-7= 7-3= 9-7= 8-7= 7-3=3+6= 6+1= 9-1= 3+6= 6+1= 9-1= 口算训练(8) 口算训练(8)4+4= 5+3= 9-0= 4+4= 5+3= 9-0=3+3= 7-2= 2+5= 3+3= 7-2= 2+5=7-5= 1+6= 7-3= 7-5= 1+6= 7-3=4+2= 8-4= 3
9、-3= 4+2= 8-4= 3-3=2+6= 4+5= 2+3= 2+6= 4+5= 2+3=7-5= 8-1= 7-5= 7-5= 8-1= 7-5=5+1= 8-8= 8-7= 5+1= 8-8= 8-7=6+0= 0+8= 5-3= 6+0= 0+8= 5-3=6-3= 8-5= 0+5= 6-3= 8-5= 0+5=2+7= 0+7= 1+8= 2+7= 0+7= 1+8= 9-1= 8-2= 9-3= 9-1= 8-2= 9-3=3+4= 6+3= 7-1= 3+4= 6+3= 7-1= 口算训练(9) 口算训练(9)8+1= 5-3= 9-3= 8+1= 5-3= 9-3=7+2=
10、 7-3= 2+6= 7+2= 7-3= 2+6=2+6= 1+3= 7-2= 2+6= 1+3= 7-2=9-5= 8-1= 4-3= 9-5= 8-1= 4-3=7-1= 4+5= 2+5= 7-1= 4+5= 2+5=7-7= 8-6= 7-6= 7-7= 8-6= 7-6=5+2= 8-5= 8-3= 5+2= 8-5= 8-3=6+3= 0+9= 5+3= 6+3= 0+9= 5+3=6-0= 8-7= 0+7= 6-0= 8-7= 0+7=2+4= 0+3= 1+4= 2+4= 0+3= 1+4= 9-7= 8-0= 9-0= 9-7= 8-0= 9-0=5+4= 6+1= 7-5
11、= 5+4= 6+1= 7-5= 口算训练(10) 口算训练(10)3+( )=8 ( )+0=9 9-( )= 6 3+( )=8 ( )+0=9 9-( )= 6( )+6=9 7-( )=4 ( )+4=6 ( )+6=9 7-( )=4 ( )+4=69-( )=7 1+( )=7 7-( )=6 9-( )=7 1+( )=7 7-( )=63+( )= 7 6-( )= 6 9-( )=8 3+( )= 7 6-( )= 6 9-( )=81+( )=6 4+( )=8 6+( )=9 1+( )=6 4+( )=8 6+( )=97-( )=6 ( )-4=4 ( )-2= 5
12、7-( )=6 ( )-4=4 ( )-2= 55+( )=9 ( )-2=6 ( )-1=7 5+( )=9 ( )-2=6 ( )-1=7( )+1=9 ( )+8=8 ( )-6=0 ( )+1=9 ( )+8=8 ( )-6=0( )-3=3 6-( )=1 0+( )=9 ( )-3=3 6-( )=1 0+( )=92+( )=6 0+( )=7 1+( )=6 2+( )=6 0+( )=7 1+( )=6 9-( )=1 8-( )=8 ( )-7=0 9-( )=1 8-( )=8 ( )-7=0( )+5=7 3+( )=6 ( )-9=0 ( )+5=7 3+( )=6
13、( )-9=0 口算训练(11) 口算训练(11)4+( )=9 ( )+0=6 9-( )=8 4+( )=9 ( )+0=6 9-( )=83+( )=6 ( )-1=6 ( )+5=7 3+( )=6 ( )-1=6 ( )+5=79-( )=2 ( )+5=6 7-( )=7 9-( )=2 ( )+5=6 7-( )=73+( )=8 ( )-0=8 ( )-6=3 3+( )=8 ( )-0=8 ( )-6=31+( )=9 ( )+3=7 5+( )=8 1+( )=9 ( )+3=7 5+( )=87-( )=2 ( )-6=2 ( )-6=1 7-( )=2 ( )-6=2
14、( )-6=15+( )=7 ( )-4=4 8-( )=6 5+( )=7 ( )-4=4 8-( )=66+( )=7 ( )+7=7 ( )-1=5 6+( )=7 ( )+7=7 ( )-1=56-( )=1 ( )-2=4 0+( )=6 6-( )=1 ( )-2=4 0+( )=62+( )=9 ( )+9=9 ( )+7=8 2+( )=9 ( )+9=9 ( )+7=8 9-( )=6 ( )-8=0 7-( )=3 9-( )=6 ( )-8=0 7-( )=32+( )=8 ( )+3=9 ( )-5=4 2+( )=8 ( )+3=9 ( )-5=4口算训练(12) 口
15、算训练(12)( )+1=5 5+( )=5 ( )-4=5 ( )+1=5 5+( )=5 ( )-4=53+( )=7 ( )-7=0 2+( )=8 3+( )=7 ( )-7=0 2+( )=8( )-5=4 1+( )=9 ( )-1= 6 ( )-5=4 1+( )=9 ( )-1= 64+( )=9 ( )-1=7 9-( )=6 4+( )=9 ( )-1=7 9-( )=6( )+6=7 4+( )=6 ( )+3=7 ( )+6=7 4+( )=6 ( )+3=77-( )=3 ( )-3=5 7-( )=7 7-( )=3 ( )-3=5 7-( )=7( )+3=8 8
16、-( )=7 ( )-6=2 ( )+3=8 8-( )=7 ( )-6=26+( )=8 ( )+6=6 6-( )=3 6+( )=8 ( )+6=6 6-( )=3( )-6=0 6-( )=1 ( )+9=9 ( )-6=0 6-( )=1 ( )+9=92+( )=6 ( )+4=4 1+( )=4 2+( )=6 ( )+4=4 1+( )=4 ( )-7=2 8-( )=1 ( )-3=4 ( )-7=2 8-( )=1 ( )-3=43+( )=9 ( )+1=7 9-( )=8 3+( )=9 ( )+1=7 9-( )=8口算训练(13) 口算训练(13)7-2+4= 5-
17、1+5= 9-6+2= 7-2+4= 5-1+5= 9-6+2=3+4+1= 4+3+2= 6-3+5= 3+4+1= 4+3+2= 6-3+5=8-6+5= 8-7+8= 7+2-9= 8-6+5= 8-7+8= 7+2-9=1+2+6= 1+6+1= 3+5-7= 1+2+6= 1+6+1= 3+5-7=7-5+3= 6+2-5= 8-6+3= 7-5+3= 6+2-5= 8-6+3=7-6+7= 3-2+8= 7+2-6= 7-6+7= 3-2+8= 7+2-6=5+3+1= 2+4+3= 8-4+3= 5+3+1= 2+4+3= 8-4+3=6+1+2= 0+10-5= 2+5+1=
18、6+1+2= 0+10-5= 2+5+1=9-4+3= 8+1-7= 9-6+5= 9-4+3= 8+1-7= 9-6+5=5-4+8= 4+5-7= 9-7+4= 5-4+8= 4+5-7= 9-7+4= 9-9+9= 8-3+4= 7+1+1= 9-9+9= 8-3+4= 7+1+1=7-5+5= 9-9+7= 3+4+1= 7-5+5= 9-9+7= 3+4+1=口算训练(14) 口算训练(14)7-2-4= 5+1+3= 9-3-2= 7-2-4= 5+1+3= 9-3-2=3+4+2= 2+3+2= 6-3-3= 3+4+2= 2+3+2= 6-3-3=8-6-1= 8-3-4= 7
19、-2-2= 8-6-1= 8-3-4= 7-2-2=1+2+4= 1+5+1= 3+5+1= 1+2+4= 1+5+1= 3+5+1=7-2-3= 6-2-1= 8-6-1= 7-2-3= 6-2-1= 8-6-1=7-6-1= 3+2+2= 7-2-4= 7-6-1= 3+2+2= 7-2-4=3+3+1= 2+3+3= 8-4-3= 3+3+1= 2+3+3= 8-4-3=2+1+2= 9-1-5= 2+3+1= 2+1+2= 9-1-5= 2+3+1=9-4-3= 8-1-7= 9-6-1= 9-4-3= 8-1-7= 9-6-1=5-4-0= 4+5+0= 9-7-1= 5-4-0=
20、4+5+0= 9-7-1= 9-3-5= 8-3-4= 5+1+1= 9-3-5= 8-3-4= 5+1+1=7-5-2= 9-6-2= 3+1+5= 7-5-2= 9-6-2= 3+1+5=口算训练(15) 口算训练(15)7+4= 5+5= 9+2= 7+4= 5+5= 9+2=3+9= 4+9= 6+5= 3+9= 4+9= 6+5=8+5= 8+8= 7+9= 8+5= 8+8= 7+9=4+6= 1+9= 3+7= 4+6= 1+9= 3+7=7+3= 6+9= 8+3= 7+3= 6+9= 8+3=7+7= 3+8= 7+6= 7+7= 3+8= 7+6=5+9= 2+8= 8+3
21、= 5+9= 2+8= 8+3=6+6= 0+10= 2+9= 6+6= 0+10= 2+9=9+3= 8+9= 9+5= 9+3= 8+9= 9+5=5+8= 4+7= 9+4= 5+8= 4+7= 9+4= 9+9= 8+4= 7+9= 9+9= 8+4= 7+9=7+5= 9+7= 9+1= 7+5= 9+7= 9+1=口算训练(16) 口算训练(16)14-7= 10-3= 10-1= 14-7= 10-3= 10-1=13-9= 18-9= 16-8= 13-9= 18-9= 16-8=15-8= 15-6= 15-7= 15-8= 15-6= 15-7=14-6= 11-9= 14
22、-8= 14-6= 11-9= 14-8=13-7= 16-9= 13-4= 13-7= 16-9= 13-4=11-7= 13-8= 13-6= 11-7= 13-8= 13-6=15-9= 12-8= 12-7= 15-9= 12-8= 12-7=12-6= 11-4= 12-9= 12-6= 11-4= 12-9=11-8= 13-5= 12-5= 11-8= 13-5= 12-5=17-8= 16-7= 12-4= 17-8= 16-7= 12-4= 14-5= 10-4= 17-9= 14-5= 10-4= 17-9=12-3= 10-7= 13-7= 12-3= 10-7= 13-
23、7=口算训练(17) 口算训练(17)14+4= 5+5= 9+5= 14+4= 5+5= 9+5=3+13= 7+9= 12+5= 3+13= 7+9= 12+5=17-5= 8+6= 7-3= 17-5= 8+6= 7-3=4+12= 18-4= 13-3= 4+12= 18-4= 13-3=7+6= 4+9= 12+3= 7+6= 4+9= 12+3=7+5= 18-1= 7+4= 7+5= 18-1= 7+4=5+11= 18-8= 8+7= 5+11= 18-8= 8+7=6+4= 0+10= 15-3= 6+4= 0+10= 15-3=16-3= 8+5= 10+5= 16-3=
24、8+5= 10+5=2+8= 10+7= 11+8= 2+8= 10+7= 11+8= 9+1= 8+3= 19-3= 9+1= 8+3= 19-3=13-4= 9+3= 17-11= 13-4= 9+3= 17-11=口算训练(18) 口算训练(18)8+11= 5+6= 9+3= 8+11= 5+6= 9+3=7+12= 17-3= 7+6= 7+12= 17-3= 7+6=12+6= 11+3= 17-2= 12+6= 11+3= 17-2=19-5= 18-1= 4-3= 19-5= 18-1= 4-3=17-1= 4+8= 12+5= 17-1= 4+8= 12+5=17-7= 8+
25、6= 17-6= 17-7= 8+6= 17-6=15+2= 18-5= 18-3= 15+2= 18-5= 18-3=6+13= 10+9= 5+13= 6+13= 10+9= 5+13=16-10= 18-7= 0+15= 16-10= 18-7= 0+15=12+4= 10+3= 11+4= 12+4= 10+3= 11+4= 19-7= 18-0= 9+8= 19-7= 18-0= 9+8=5+14= 6+11= 17-5= 5+14= 6+11= 17-5=口算训练(19) 口算训练(19)14-7-3= 10-3-4= 10-1-6= 14-7-3= 10-3-4= 10-1-6=
26、13-9-2= 18-9-5= 16-8-2= 13-9-2= 18-9-5= 16-8-2=15-8-4= 15-6-7= 15-7-3= 15-8-4= 15-6-7= 15-7-3=14-6-6= 11-9-2= 14-8-2= 14-6-6= 11-9-2= 14-8-2=13-7-3= 16-9-5= 13-4-6= 13-7-3= 16-9-5= 13-4-6=11-7-2= 13-8-3= 13-6-4= 11-7-2= 13-8-3= 13-6-4=15-9-1= 12-8-3= 12-7-5= 15-9-1= 12-8-3= 12-7-5=12-6-6= 11-4-7= 12
27、-9-1= 12-6-6= 11-4-7= 12-9-1=11-8-2= 13-5-5= 12-5-2= 11-8-2= 13-5-5= 12-5-2=17-8-5= 16-7-7= 12-4-6= 17-8-5= 16-7-7= 12-4-6= 14-5-6= 10-4-4= 17-9-8= 14-5-6= 10-4-4= 17-9-8=12-3-6= 10-7-1= 13-7-4= 12-3-6= 10-7-1= 13-7-4=口算训练(20) 口算训练(20)1+7+4= 3+5+5= 2+9+2= 1+7+4= 3+5+5= 2+9+2=3+4+9= 4+9+1= 6+5+5= 3+4
28、+9= 4+9+1= 6+5+5=8+2+5= 2+8+8= 7+9+3= 8+2+5= 2+8+8= 7+9+3=4+4+6= 1+9+1= 4+3+7= 4+4+6= 1+9+1= 4+3+7=7+3+8= 6+9+1= 8+3+3= 7+3+8= 6+9+1= 8+3+3=7+7+2= 3+6+8= 7+6+2= 7+7+2= 3+6+8= 7+6+2=5+9+1= 2+8+7= 8+3+3= 5+9+1= 2+8+7= 8+3+3=2+6+6= 7+0+10= 2+9+4= 2+6+6= 7+0+10= 2+9+4=9+3+2= 1+8+9= 1+9+5= 9+3+2= 1+8+9=
29、1+9+5=5+8+1= 4+6+7= 9+4+6= 5+8+1= 4+6+7= 9+4+6= 4+4+9= 8+4+3= 7+9+3= 4+4+9= 8+4+3= 7+9+3=7+5+3= 9+7+2= 9+1+8= 7+5+3= 9+7+2= 9+1+8=口算训练(21) 口算训练(21)4+11= 5+10= 19-4= 4+11= 5+10= 19-4=13+4= 17-7= 12+6= 13+4= 17-7= 12+6=19-15= 11+8= 17-11= 19-15= 11+8= 17-11=9+5= 18-1= 19-3= 9+5= 18-1= 19-3=1+16= 4+12= 4+13= 1+16= 4+12= 4+13=17-14= 18-13= 17-10= 17-14= 18-13
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