1、 50以内连加连减混合练习题 2+6+ ( ) = 19 5+ ( ) -2=12 4+ ( ) +3= 17 10+ ( ) -7= 13 9- ( ) -6= 1 10- ( ) -4= 2 7- ( ) +4= 8 8+ ( ) -6=11 10- ( ) +3= 8 3+ ( ) -8=2 8- ( ) +16=20 6+10- ( ) =9 19-4- ( ) = 10 10-8+ ( ) = 18 7+ ( ) -4=11 5+ ( ) -3= 16 ( ) +3+7= 16 9+7- ( ) =11 7- ( ) +7=10 8+ ( ) +6= 17 ( ) -1+5= 12
2、7-4+ ( ) = 15 8- ( ) +8= 9 9+9- ( ) =7 8+ ( ) -5= 13 6- ( ) +7= 9 16+2- ( ) =16 9+ ( ) -3=12 11- ( ) +7=10 4+ ( ) +4=19 8+6- ( ) = 7 8+ ( ) -6=13 9- ( ) +7=15 7+8- ( ) = 10 4+ ( ) +6= 18 8+ ( ) -8=6 11+7- ( ) =12 8- ( ) +8=15 29- ( ) -4=18 8+ ( ) -4= 9 16- ( ) -1=12 9- ( ) +5=11 4- ( ) +9= 11 14-4+
3、( ) = 14 6- ( ) +8= 10 8+ ( ) -10=6 ( ) +9-5=15 14+11-4= 27-0+6= 29-8+6= 9+ ( ) +4= 16 4+8+ ( ) =18 5+ ( ) -10=6 ( ) -1+12= 16 9+ ( ) -7=8 18- ( ) -5=8 ( ) +4-3=29 15+0-3= 29-8+6= 19-3+6= 6- ( ) +9= 13 5+9- ( ) = 7 ( ) +2+8=15 15-6- ( ) =6 12+2- ( ) = 7 11+5- ( ) =8 ( ) -3+9=18 3+5+2= ( ) -4-2=18 18
4、+3-1= 8-8+ ( ) = 6 19-9+ ( ) =14 9-6+ ( ) = 13 17-10- ( ) =3 6+ ( ) +7= 16 16-10+ ( ) =8 ( ) +6-8=29 12-10+2= ( ) +9-8=29 28-12-3= 24+9-6= 16-12- ( ) = 2 ( ) -1+3=12 13-12+7= 6+9+ ( ) =18 12-10+4= 14+4- ( ) =7 18-3-1= ( ) +8+5=28 17-13+4= 27-4+1= 7+ ( ) -8= 3 ( ) -14-1=15 11+5-6= 17-15+ ( ) = 9 14-4
5、+3= 8+8- ( ) = 11 15-6+2= 12+5- ( ) =10 10-8+9= 21-2+3= 12- ( ) +4=8 ( ) -7-3=16 11-3+5= 16-6- ( ) =4 15-6-4= 14-5- ( ) =7 10-2+6= 18-9+ ( ) =15 13+5-9= 33-9+7= 14-4- ( ) = 6 ( ) -8-2=12 19+2+1= 6+6+ ( ) =15 16-10+4= ( ) +7+5=17 4+4+4= 5+ ( ) +5=16 4+0+6= 16-6-9= 8+3+ ( ) =17 19-6-9= 6+ ( ) +4=15 26
6、-10+4= ( ) +5+7=16 18+2-1= 6+4- ( ) = 7 ( ) -2+5=28 ( ) -6+9=17 3+2+5= ( ) +6+5=18 25+4+5= ( ) +6+7=17 ( ) -1-8=10 18-3- ( ) = 9 29-6-9= 12- ( ) -5=2 ( ) -4+6= 27 ( ) -7+5=13 14-4+4= 5+4- ( ) =6 17+3+6= 13-7- ( ) =5 ( ) -6-9=16 8+3+ ( ) =15 39-6-9= 17-7- ( ) =7 ( ) -6-4=23 ( ) +9+7=33 5+9+5= ( ) +5+
7、8= 16 23+4+7= 6+9+ ( ) = 19 ( ) +7-5= 13 9+2+ ( ) =16 28-8-2= ( ) +0+6= 10 ( ) -10+4=16 ( ) -4+6=14 12- ( ) -7= 2 16-6- ( ) =7 24-5- ( ) =4 13-6- ( ) =4 24-5+5= 16- ( ) +4= 10 ( ) -9+1=15 12-8- ( ) =1 22-9-2= ( ) -7+7=15 12- ( ) +5=11 8+ ( ) +5=17 16- ( ) +3=15 16- ( ) +7=14 22+3-5= 18-3+10= 20- ( )
8、 -3=10 7+8- ( ) =9 15+9-4= ( ) -2+7=10 16- ( ) +9=13 18-7- ( ) = 8 8+7- ( ) = 8 17- ( ) -3=8 24+9-2= 1+ ( ) +3=8 27-1-1= 4+ ( ) +4=12 20-9-4= ( ) -6-8=17 ( ) +5+4=13 6+4+ ( ) =15 20- ( ) -8= 8 19-10- ( ) =6 25-3-4= 10+6+ ( ) =19 ( ) -3-2= 20 9+ ( ) +7=18 23-6-6= ( ) -3-6=19 ( ) -4-1=21 18-9- ( ) =6
9、( ) -3-3=13 15- ( ) -2=7 24+5+3= 20- ( ) -7= 4 29-4-8= 17- ( ) -10= 5 23+7+1= 2+ ( ) +6=15 ( ) -5-5=15 20- ( ) -3=14 ( ) +1+9=29 11-1- ( ) =7 26-4-5= 14- ( ) -2=7 26-3-2= ( ) +5+8=17 23-6-4= 17- ( ) -12=1 ( ) -2-9=14 18- ( ) -9=4 ( ) -2-5=16 6+10+ ( ) = 18 23-2-5= 20- ( ) -11=7 28+2+4= 15-8- ( ) =2
10、23-3-10= 9+9+ ( ) =30 11+ ( ) +6=37 4+ ( ) +5=15 ( ) +8+5= 34 4+ ( ) +7= 17 16+2+3= 20-7- ( ) =7 28-3-1= 20-8- ( ) =6 22-2-1= 17- ( ) -5=6 27-4-9= 3+ ( ) +4=17 24+4+6= 5+5+ ( ) =14 2+4+7= 11- ( ) -2=7 28-3-8= 15-5- ( ) =6 19+ ( ) +7=36 11+10+3= 22+8+5= 9- ( ) -5=2 21+8+4= 3+ ( ) +5= 15 9+3+7= 12-9-
11、( ) =1 20-10-8= 5+9+ ( ) =15 21+ ( ) +2=35 26-4-4= 16+2+10= 15- ( ) -6=4 34-9- ( ) =14 5+ ( ) +10=17 18-6-2= ( ) +7+2= 17 19-7-9= 3+ ( ) +10= 19 29- ( ) -13=6 19+2+7= 15+9+4= ( ) +10+5=17 17- ( ) -5=2 9+5+ ( ) = 17 18-2-4= ( ) +7+3=14 16-1-8= 16-8- ( ) = 5 25- ( ) -8=13 29-6-5= 15+6+8= 10-8- ( ) =1
12、19-10-7= 15- ( ) -10=2 18-10-6= 8+ ( ) +7=19 ( ) +4+5=28 10-5- ( ) =1 7+7+6= ( ) +10+5=33 10+14+4= 13-6- ( ) =2 16+7+6= 6+6+ ( ) =17 3+8+9= 16-10- ( ) =2 ( ) +10+2=36 16- ( ) -7=3 20- ( ) -7=6 ( ) +7+8=34 29-2-7= 5+ ( ) +9=17 20-3-6= 8+ ( ) +2=17 11-1-8= 7+ ( ) +3=14 ( ) +9+5= 28 ( ) +6+4= 15 9- ( )
13、 -5=2 ( ) +7+1=39 28-7-10= 6+7+ ( ) =17 16-7-4= 18-9- ( ) =5 17-5-3= 8+6+ ( ) = 16 ( ) +7+3=31 8+7+ ( ) =17 17-2- ( ) =7 ( ) -7-2= 18 20-10-5= 4+5+ ( ) =16 ( ) +6+6=16 ( ) -3-6=15 20-2-9= 7+ ( ) +7=19 ( ) -4-5=18 2+ ( ) +9=14 20-4-4= ( ) -6-2=16 8+5+3= 11-3- ( ) =7 11-5- ( ) = 2 ( ) -4-3=32 13-4-4=
14、7+5+ ( ) =17 ( ) +6+5=36 7+6+ ( ) = 17 19-5-9= ( ) +1+5=29 3+8+3= 7- ( ) -5=1 11-1- ( ) =5 ( ) -5-4=18 10+3+4= 19- ( ) -10= 6 ( ) +7+2=26 ( ) +10+8=19 16-4-3= ( ) +4+6=29 15-8-4= 18- ( ) -3=12 9+ ( ) +4=17 ( ) -3-2=29 16-3-6= 19-10- ( ) =3 ( ) +7+2=29 13- ( ) -5=4 8+3+6= ( ) +8+5=27 33-5-2= 1+ ( ) +
15、10=17 1+5+8= 12- ( ) -9=1 4+10+2= 11- ( ) -8=2 6+3+5= 8+ ( ) +4=14 18-4-2= ( ) +3+1=32 32-3-2= 16- ( ) -8=3 17-5-10= 16- ( ) -8=6 4+5+8= 13-3- ( ) = 7 2+5+8= 19-8- ( ) =5 18-4-10= ( ) +5+4=23 29+6+5= 15- ( ) -6= 5 2+9+6= 18- ( ) -9=3 1+9+6= 2+2+10= 18-3-3= 5+6+ ( ) =16 12+7+2= ( ) -8-10=18 23+7+4= 7
16、+10+ ( ) = 18 9+3+4= 9+7+ ( ) = 19 16-6-5= 19- ( ) -8= 7 6+4+9= 16-8- ( ) =4 15-2-9= ( ) -5-4= 20 13-3-5= 35- ( ) -6=7 14-8-3= ( ) -5-3=16 5+8+3= ( ) +5+3= 18 20-6-5= ( ) -5-2=18 4+9+7= ( ) +8+5=33 12-7-6= ( ) +2+10=28 18-5-3= ( ) -10-1=22 18-4-6= ( ) -3-9=16 17-5-8= ( ) +7+6= 18 19-7-2= ( ) -5-4=11
17、 15-6-7= ( ) -3-9=11 17-5-1= ( ) +5+6=29 14-7-3= ( ) +6+8=34 10+2+3= ( ) -2-5=17 14-9-4= ( ) -2-6=18 12+6+4= ( ) +10+2=29 6+2+6= ( ) +5+4=38 7+6+4= ( ) +9+1=29 19-4-10= ( ) +9+9=37 13-8-3= ( ) -9-8= 18 18-7-1= ( ) +3+7=27 5+ ( ) +4= 18 6+9+3= 3+ ( ) +6= 15 13-5-5= ( ) -5-8=19 16- ( ) -5=4 17-8-4= (
18、) +8+4=12 4+9+5= ( ) -7-4=11 2+10+3= 4+6+8= 17- ( ) -8=3 14-5-7= ( ) +2+6=17 7+ ( ) +8=16 6+3+7= ( ) -4-9=16 6+3+6= ( ) -5-1=15 14- ( ) -2= 7 5+2+6= 18- ( ) -7=5 4+7+8= ( ) -8-4=19 8+ ( ) +6=18 18-9-2= ( ) +9+3=39 5+3+8= ( ) +8+3=38 17- ( ) -5=7 9+6+4= 18- ( ) -9=7 6+1+7= ( ) -2-3=16 12- ( ) -5=2 10
19、-1-9= ( ) -1-9=16 2+6+13= ( ) +6+8=37 16- ( ) -1=12 10-4-4= ( ) -4-7= 15 19- ( ) -3=10 6+4+1= ( ) -7-6=12 ( ) -7-5= 19 7+ ( ) +9=19 12-3-8= ( ) -9-5=16 15- ( ) -3=7 12-4-7= ( ) +6+4=37 19-8- ( ) =4 16-2-2= 18-9- ( ) =3 ( ) +3+6=34 9+ ( ) +5=17 1+8+7= ( ) +8+3=36 ( ) +10+3=19 4+5+2= ( ) -1-3=28 ( ) -
20、3-3= 6 9+6+4= 6+6+ ( ) = 12 ( ) -1-6=14 12-5- ( ) =5 1+4+9= ( ) -12-1=14 19- ( ) -8= 10 11+6+1= ( ) -2-8=35 ( ) +3+7=16 5+5+7= 10- ( ) -3=1 ( ) -9-6=19 20- ( ) -7=10 ( ) +7+4=17 ( ) +6+7=29 5+4+10= 17- ( ) -7=2 2+9+5= 17- ( ) -5=8 ( ) -4-1=18 5+7+3= ( ) +8+3=18 29-4-6= 10- ( ) -4=5 ( ) -2-5=29 15-4-
21、4= 14- ( ) -7=2 16-7-3= 18- ( ) -6=5 ( ) +9+1=26 18-4-3= 9+2+ ( ) =16 17+2+6= ( ) +8+5=17 ( ) -3-1=29 14-9-5= 16-1- ( ) =9 12-3-1= 1+10+ ( ) =15 ( ) +7+1=27 4+8+4= 19- ( ) -7= 5 31-4-6= 12-8- ( ) = 1 ( ) -9-2=31 11-2-4= 13- ( ) -5=6 19-1-10= ( ) +7+6= 18 ( ) -3-4=29 16-5-4= 10-1- ( ) = 3 25+6+9= 26-
22、8-1= ( ) +7+5= 14 4+13+3= 15- ( ) -1=4 8+3+5= 15-3- ( ) =9 10+3+3= 19- ( ) -1= 12 ( ) -9-2=21 15-8-5= 23-2-4= 20- ( ) -5=7 19-3-2= 7+ ( ) +5=17 16-6-1= 5+4+ ( ) =17 2+5+3= 7+1+ ( ) = 18 ( ) +3+8=25 11-6-5= 28-2-2= 5+8+ ( ) =17 11+3+8= 4+7+ ( ) = 17 13-5-4= 9+5+ ( ) =17 17-3-9= 13- ( ) -4=6 ( ) +6+2=
23、28 15-4-3= 29-3-1= 12- ( ) -2=4 21-10-1= 7+2+ ( ) =16 1+10+5= 12- ( ) -7=2 7+2+2= 5+7+ ( ) =17 ( ) -5-2=18 4+1+7= 19-15-4= ( ) +4+9=36 7+8+7= ( ) -5-8=35 12-4-2= ( ) -8-1=21 9+9+2= ( ) -7-2=16 15-5-4= ( ) +7+3=37 12-1-8= ( ) +7+9=27 3+8+5= ( ) +4+9=28 6+9+2= 8+4+ ( ) =22 14-2-7= ( ) +1+8=31 2+6+8= (
24、 ) +2+5=27 17-4-3= 8+ ( ) +3=24 19-7-6= ( ) +3+4=27 12-6-2= ( ) -6-5= 11 7+9+4= ( ) +4+8=33 5+6+7= ( ) -1-5=21 17-6-10= ( ) -8-9=17 17-3-2= ( ) -8-2=28 13-6-5= ( ) -6-3= 29 13-2-2= 11+ ( ) +2=24 5+7+8= ( ) +4+10=27 ( ) -3-8=21 13-4-4= ( ) -6-8=12 ( ) -1-8=14 20-9- ( ) = 8 6+4+9= ( ) +6+3=20 18-9- (
25、) =8 19-5-8= ( ) -4-7=11 ( ) -7-8=19 18-7-3= ( ) -9-3= 8 ( ) -10-1=20 11+6+ ( ) =31 10+5+5= 15- ( ) -6=3 ( )- 6-4=21 4+4+5= ( ) -5-2=25 ( ) +5+6=25 3+11+4= ( ) -3-6=17 ( ) +7+5=27 ( ) -7-6=18 8+3+5= ( ) -7-6= 13 19-9- ( ) =2 14-7-2= ( ) -4-8=14 ( ) -3-1=21 19-2-1= 18- ( ) -6=4 ( ) +3+4=27 ( ) -3-3=2
26、4 4+1+9= ( ) +3+8=26 19- ( ) -4=2 14+1+5= ( ) -6-5=19 ( ) -9-6= 21 4+5+7= 20- ( ) -4=14 3+5+2= ( ) -2-3=20 17-6-5= 18-6- ( ) = 6 14-9-3= 19- ( ) -3=11 16-7-8= 20-5- ( ) =12 13-9-4= ( ) -7-3=20 9+1+4= 3+ ( ) +10=27 14-2-1= 12+ ( ) +4=26 7+2+9= 12- ( ) -2=5 5+4+8= ( ) -2-4=15 6+8+3= 8+8+ ( ) =29 18-8-
27、5= ( ) -2-6=20 12-10-2= 18- ( ) -7= 6 17-10-6= 16-9- ( ) =2 4+10+6= ( ) -8-4=8 2+10+2= 15+ ( ) +2=27 3+7+8= 8+ ( ) +5=26 10+5+2= 15- ( ) -8=2 3+4+2= ( ) +9+3=29 7+7+3= 10-6- ( ) = 3 10+4+1= 20-9- ( ) = 4 6+7+3= 14-3- ( ) =4 1+8+6= 9+9+ ( ) =41 6+9+4= 2+ ( ) +9= 27 15-5-7= 18-9- ( ) = 2 19-1-8= 18- (
28、 ) -8=5 20-3-8= 14- ( ) -5=5 11-1-5= 14- ( ) -4=3 5+9+2= 19-8- ( ) =6 19-5-7= 17- ( ) -5=4 18-7-7= 19- ( ) -5=7 16-7-1= ( ) +6+7=27 11-2-2= 9+ ( ) +4=26 2+6+10= 16- ( ) -9= 6 17-1-9= ( ) +4+3=27 15-10-5= 17- ( ) -6= 2 2+6+3= 6+5+ ( ) = 36 15-1-9= 20- ( ) -4=12 15-4-2= 10+8+ ( ) =39 20-4-8= 9+2+6= 8+
29、 ( ) +8=18 19-4-5= 11-5- ( ) =5 18-10-5= 13-4- ( ) =5 15-2-10= ( ) +6+2=18 15- ( ) -8=4 19-5-6= 17-3-8= 3+7+ ( ) = 18 2+7+4= 10- ( ) -1=3 20-5-2= 10+3+ ( ) =18 6+2+7= ( ) +6+9=28 10+ ( ) +4= 17 16-3-10= 8+6+7= 15- ( ) -7= 4 4+9+1= 9+2+ ( ) =17 6+6+1= 4+9+ ( ) =19 20-8-6= ( ) +10+1= 29 4+ ( ) +9=17 1
30、1+4+3= 6+5+3= 18- ( ) -7=6 3+10+4= 12- ( ) -2=5 17-10-5= 2+ ( ) +4= 18 16-4-7= ( ) +6+5=29 17- ( ) -1=14 19-2-1= 9+2+8= 4+ ( ) +2= 19 3+5+8= 20- ( ) -5=8 8+ ( ) +6=27 ( ) +6+6=29 15-10- ( ) =2 3+8+2= 13- ( ) -6=5 16-2-1= 14-5-2= 18- ( ) -4=10 20-1-7= 5+ ( ) +3=19 ( ) -2-1=24 ( ) -7-4=28 18- ( ) -6=8
31、 1+8+8= 19- ( ) -8=6 10-1-7= 17-6-4= 4+ ( ) +6=17 11-8-1= 19- ( ) -2=5 17- ( ) -9= 4 ( ) -4-3=28 5+3+ ( ) =13 9+4+3= 9+7+ ( ) =19 8+8+3= 18-5-7= 4+ ( ) +10=19 9+10= ( ) +5+7=16 16-8- ( ) =4 ( ) +4+10=34 1+ ( ) +4= 17 7+3+6= 9+ ( ) +7= 19 14-8-2= 6+4+6= 16-6-6= 1+ ( ) +7=14 19-5-6= 13- ( ) -4= 3 5+9+
32、4= 6+9+ ( ) = 19 15- ( ) -7=3 5+6+9= 7+6+5= 13-1-7= 17-4-5= ( ) +8+4=16 17-12-3= 5+ ( ) +7=14 20-2-8= ( ) -3-9=6 19- ( ) -12=3 18-9-9= 10+6+3= 2+3+8= 9+5+3= ( ) +4+8=17 4+10+1= 15- ( ) -6=2 5+8+2= 10+5+2= 7+ ( ) +4=16 21+5+7= 15+17+16= 13+15+19= 21+15+27= 14-5-9= 13-2-9= 7+9+2= 17-4-8= 19-10- ( ) =3 17-2-7= 15-6- ( ) = 5 19-9-7= 6+7+5= 11- ( ) -4=3 20-3-10= 15-8-5=
