50以内加减法口算练习题(20).doc

1、25+19= 28+26= 35-18= 40-17= 25+24= 44-20= 38+6= 56+24=48-19= 19+22= 37+14= 29-14= 22+11= 38+12= 20+19= 41+7= 49-9= 48-11= 32+10= 53+40= 20+19= 11+19= 11+34= 10+29= 10+36= 42-17= 43+27= 37+19=17+16= 55+36= 21+44= 46-18= 40+3= 43+9= 43-21= 44-17= 36+8= 34+11= 36-18= 36+66= 38-14= 34+9= 34-7= 34+11= 34

2、+47= 35+16= 19-19= 17+33=35+15= 35-26= 30+20= 30-17= 26+18= 23+27= 24+19= 21-11= 19+20= 19+28= 17+26= 17+30= 16+40= 16+39= 16-14= 15+34= 15+29= 48-41= 47+16= 46-11=11+38= 40-29= 46-19= 49+23= 48-19= 48-17= 48-23= 47+2= 47-13= 47-9= 46+3= 46-18= 46+15= 45+24= 45-37= 45+18= 45-22= 44-30= 43-28= 42-37=

3、44+17= 44+51= 44-16= 44-24= 44-37= 44-25= 44+37= 43-29= 42-17= 42+58= 42-25= 42-33= 45+6= 41-11= 41-19= 41-18= 41+13= 40-21= 39+5= 38+5=41-39= 40+10= 46+8= 40-30= 40-39= 39-19= 39-18= 39+11= 38+11= 38+9= 32-26= 38-19= 37-17= 37-16= 37+12= 37+48= 37+12-18= 36+17= 38+14= 34+17=37-3-9= 37+20-11= 36+29=

4、 36+14= 36-3-12= 36+11= 36-11+31= 35+35= 35-19= 35-28= 35+28= 34+18= 33+13= 33+17= 33+10+2= 33-11= 33-9= 32+15= 31-5= 29+21=32+11= 32+17= 32-12= 32-21= 31+18= 30-11= 31+9= 31-19= 36+25= 30-19= 36+16= 30+18= 29-18= 29+11= 25-9= 29+20= 28+24= 27+19= 27+14= 26-2=28-13= 28+17= 28+23= 27+5= 55-15= 27+14=

5、 27+13= 27+12= 21-15= 26-17= 26+14= 26+15= 25+24= 25-16= 25-20= 25+28= 24+18= 23+27= 22-17= 20+29=24-16= 24+48= 24+48= 24+57= 23+57= 22+19= 22+11= 22+28= 28+26= 25+17= 20-16= 20-13= 19+5= 19+19= 19+13= 19+17= 19+23= 18+23= 17+29= 67-33=19+29= 19+31= 18+12= 18+19= 68-27= 18+31= 55-17= 17+33= 17+26= 1

6、7+21= 17+17= 57-29= 16+33= 16+30= 16+29= 16+26= 16+19= 56-17= 15+18= 24+27=16+15= 16+29= 66-18= 46-27= 15+35= 15+33= 15+29= 15+25= 45-27= 14+36= 51-33= 14+31= 14+24= 14+20= 14+17= 14+15= 14+11= 13+28= 25+24= 44-20=14+7= 13+36= 13+34= 13+30= 25+19= 28+20= 39-18= 40-17= 48-19= 19+22= 37+11= 29-14=22+1

7、1= 38+12= 20+19= 41+7=38+6= 6+24= 10+36= 48-17=49-9= 48-11= 32+10= 3+40=20+19= 11+19= 11+34= 10+29=1+16= 1+36= 1+44= 49-8=47-10= 42-3= 30-24= 36-18=17-9= 14-10= 1826= 35-26=29-13= 42-14= 23-14= 11-2=2418= 2517= 329= 725=44-6= 32-15= 41-25= 33-28=40+3= 40+9= 43-21= 44-17= 40+2= 37+9= 34+4= 30+13= 36+

8、8= 34+11= 36-18= 36+6= 38-14= 34+9= 34-7= 34+11= 35+15= 35-6= 30+20= 30-7= 21+18= 21+27= 21+19= 21-11= 19-19= 17+33= 15+29= 48-41= 19+20= 19+28= 17+26= 17+30= 16+40= 16+39= 16-14= 15+34= 11+38= 49-40= 49-9= 49+1= 48-19= 48-17= 48-23= 47+2= 47+0= 46-11= 45-22= 43+4= 47-13= 47-9= 46+3= 46-18= 46+0= 45

9、+4= 45-3= 45+1= 44+6= 44+1= 44-16= 44-24= 44-30= 42-37= 41+13= 40-21= 44-37= 44-25= 44+3= 43-29= 42-17= 42+8= 42-0= 42-41= 41+6= 41-11= 41-19= 41-0= 41-39= 40+10= 40+8= 40-30= 438= 46-40= 17+25= 49-14= 28-9= 27-19= 36-6= 25-4= 28+11= 24-6= 25+20= 49-29= 26+16= 25-9= 37-14= 43+5= 28-4= 40+6= 24+11= 3

10、2-9= 32-5= 14+16= 21-5= 45-28= 43-15= 41-27= 35-15= 37-16= 8+25= 17+14= 25+18= 42-15= 30-28= 16+33= 31-14= 35+6= 44-35= 34+9= 19+16= 15+27= 31-15= 41-28= 34-10= 39-29= 17-4= 23+15= 38-24= 34-6= 35-29= 14+11= 42-24= 34+16= 40-39= 39-19= 39-1= 39+11= 39+5= 38+15= 37+2+8= 36+14= 38+11= 38+9= 38-6= 38-9

11、= 37-17= 37-6= 37+12= 37+8= 37-3-9= 37+11= 36+9= 36-4= 35+14= 34+10= 33-11= 32-21= 36-3-12= 36+11= 36+11= 35+5= 35-19= 35-6= 35+8= 34+14= 33+13= 33+17= 33+10+2= 34+18= 33-9= 32+11= 32+17= 32-12= 32+15= 31+18= 31-11= 31+9= 31+19= 30+18= 29+20= 27+5= 31-5= 30+20= 30-19= 30+16= 29+21= 29-18= 29+11= 29-

12、9= 28+22= 28-13= 28+17= 28+23= 27+19= 27-5= 27+14= 27+13= 27+12= 26+11= 25+23= 24+3= 27+14= 26-5= 26-3= 26+14= 26-2= 25+24= 25-11= 25-20= 24+18= 24-11= 24+11= 24+8= 23+23= 23+7= 22+19= 22+11= 22+8= 20-3= 20+29= 19+23= 22-7= 20+26= 20+17= 20+16= 19+5= 19+9= 19+13= 19+17= 19+29= 19+31= 18+12= 18+19= 1

13、8+23= 17-3= 17+29= 16+19= 18-7= 18+31= 18-17= 17+33= 17+26= 17+21= 17+17= 17-9= 16+33= 16+30= 16+29= 16+26= 16+15= 16+9= 16-10= 16-7= 16-14= 15+18= 14+27= 14+11= 15+35= 15+33= 15+29= 15+25= 15-7= 14+36= 14+33= 14+31= 14+24= 14+20= 14+17= 14+15= 14+7= 13+36= 13+34= 13+30= 13+28= 42-37= 40-21= 39+5= 4

14、2-17= 42+8= 42-0= 42-41= 41-39= 40+10= 40+8= 40-30= 40-39= 39-19= 39-1= 39+11= 29-18= 29-9= 29+20= 48-16= 28+22= 27+19= 44-20= 38+6= 28-13= 28+17= 28+23= 27+5= 48-19= 19+22= 37+11= 29-14= 22+11= 38+12= 20+19= 41+7= 48-19= 48-17= 48-23= 47+2= 47+0= 46-11= 23+23= 29+11= 47-13= 47-9= 46+3= 46-18= 24-11

15、= 24+11= 24+8= 24+3= 717= 929= 396= 825=389= 458= 1727= 4829=2115= 4236= 3419= 469=407= 1616= 1818= 1930=148= 256= 469= 2718=919= 725= 836= 539=17-10= 36-10= 46-20= 36-30= 10+40= 10+20= 10+30= 19+24= 20-10= 29-1= 39-2= 49-3= 28-15= 30-16= 38-27= 48-38= 27-15= 37-26= 47-7= 37-28= 26-2= 16-3= 36-4= 46

16、-5= 16-10= 35-1= 45-20= 35-30= 20+7= 22+8= 24+9= 25+10= 15-10= 44-18= 40-22= 34-13= 12+16= 13+17= 31+18= 21+19= 23-15= 39-26= 40-17= 49-18= 20+12= 22+13= 24+14= 25+15= 25-5= 35-6= 45-27= 35-18= 48-10= 47-18= 27-20= 37-30= 23+17= 32+18= 43+3= 43+4= 49-10= 38-12= 48-28= 38-33= 30+16= 33+17= 44+4= 24+1

17、5= 33-25= 23-16= 43-17= 30-18= 43+7= 42+8= 24+9= 34+10= 43-10= 32-11= 42-20= 42-40= 34+12= 24+13= 14+14= 24+15=41-12= 31-2= 41-30= 31-24= 40-26= 25+7= 24+17= 27+19= 25-9= 33-14= 42-17= 31-6= 26+9= 18+14= 28+15= 9+31= 31-19= 32-8= 46-7= 33-6= 26-7= 33-27= 27+14= 18+13= 10+26= 9+25= 41-37= 26+10= 19-8

18、= 28+5= 29+15= 18+16= 28+2= 34+7= 23+19= 32-8= 16-9= 33+6= 43-27= 35-6= 13+25= 33-16= 36+9= 19+15=40+6= 19+9= 38+7= 29-7=43-19= 35-18= 26+5= 42-13=32-19= 39-32= 46+3= 25+17= 33-19= 43-28= 30+4= 42-26= 36+8= 46-28= 27+4= 35+5= 44-6= 7+32= 47-10= 26+8= 28+5= 31-3= 18+25= 27+9= 32-18= 29+2= 45-27= 34-26= 41-19= 35-8= 37-10= 42-34= 21-13= 32-14= 29+8= 31+1