口算题(一)

19-11= 50-50= 17- 7= 24-13= 18+11= 12+5= 16+13= 19-6= 12+17= 20-10= 28+6= 18-15= 50-20= 15+53= 56-40= 17-( )=0 26- 4= 24-13= 19-12= 15+14= 28+2= 28+11= 24+4= 29+10= 60-40= 70-50= 16+44= 88+12= 87-7= 16+13= 66-20= 17-14= 99-24= 10+20= 88-80= 90-10= 29+1= 25+12= 19+11= 72-10= 17-17= 50-30= 20+44= 66-16= 80+9= 14+22= 99-33= 15-3= 29- 8= 14+25= 25-4= 20+8= 25+25= 23-3= 17-12= 20+30= 90-40= 60+30= 50-50= 90-30= 18-13= 89-80= 66-46= 80+4= 88-77= 31-11= 99-23= 25+33= 26-10= 12+10= 18-8= 99-98= 16+54= 12+33= 19-18= 65-25= 13+17= 14+26= 19+60= 26-16= 19-( )=13 27-14= 16-( )=12 65-33= 18+( )=20 14+( )=27 67-12= 65+25= 24+24= 8+( )=16 10+( )=50 65+( )=70 ( )-20=50 40+( )=60 20+( )=30 87-33= 16-6= 80-( )=0 75-25= 30+30= 1

口算题(二)

69+ 3= 4 +50= 18- 9= 82- 1= 55+25= 9 +43= 29-13= 90+10= 34+16= 17+16= 100-4= 83-11= 87-10= 83-19= 22+40= 82-15= 23+16= 47- 6= 22- 9= 72- 2= 25- 5= 69+13= 12+10= 66-15= 29-13= 88-18= 26+ 3= 99+ 1= 50+50= 77-15= 26+38= 34+12= 59+10= 15+ 8= 49+ 7= 64+ 5= 48+13= 80-20= 12- 7= 85-16= 60-12= 67- 7= 29-13= 29-10= 99-66= 70+20= 13- 8= 28+ 9= 8 +12= 27+14= 89- 4= 87-12= 67-15= 10+19= 44-13= 51-12= 98-18= 39+ 2= 68+ 5= 33+11= 56+16= 23- 4= 73+ 6= 9 + 6= 59- 6= 19- 6= 21- 5= 35-16= 16-11= 22-11= 97-17= 29-19= 30+12= 30+70= 16+ 3= 60-20= 82- 6= 100-( )=80 23-( )=18 44+( )=60 70-( )=20 55+33= 34+12= 66+5= 47-30= 24+9= 21+47= 9 +54= 73-44= 26+( )=66 86+9= 60-16= 66+12=

16+( )=56 41-( )=30 86-12= 74-15= 69-13= 69+( )=80 44-15= 2

口算题(三)

94-90= 93-90= 21+45= 88-69= 16+74= 16+76= 42+13= 26+27= 75-71= 72+13= 94-5= 71-7= 77-5= 78-9= 45-42= 100-40= 81-9= 29-14= 80-43= 50+13=

3

71-43= 44+17= 97-23= 75-33= 75+11= 7+81= 75-56= 72-60= 86-34= 38-28= 62-40= 100-84= 82-1= 52+8= 91-57= 46+40= 8-8= 37-10= 80+19= 50-27= 72-67= 7-4= 18+76= 67+30= 73+9= 81-36= 77+2= 79-26= 63+23= 67-53= 36-8= 45-24= 99-90= 55+27= 73+6= 21+64= 44-34= 29-7= 82-12= 56-26= 89-30= 100-84= 100-78= 36+30= 96-39= 72-37= 8+80= 39+42= 94-7= 88-78= 39+49= 56+25= 13+53= 54+39= 67+19= 51-40= 45+16= 7-3= 27+37= 51+25= 69+3= 18+39= 91-52= 7-1= 100-99= 61+38= 59-11= 12+61= 62-46= 55-50= 23+74= 39+28= 6+78= 86-83= 29+36= 50-22= 8+69= 26+48= 47+36= 78-8= 口算题(四)

82-15= 62+4= 41+44= 34+41= 4+70= 73-10= 80-9= 79-15= 89-68= 38-26= 73+1= 90-47= 42+12= 61+17= 59-9= 49+6= 61-14= 57-55= 46-17= 51-25=

4

51-40= 81-2= 35+17= 49-43= 31+67= 78+14= 84-11= 51-50= 98-16= 28-18= 88-28= 32+53= 8+63= 99-67= 15+72= 79+6= 35-12= 3+83= 87+11= 33+54= 2-2= 16+38= 98-2= 48-25= 87+10= 83-54= 99-80= 58+27= 96-26= 6+86= 45+9= 16+48= 71+4= 80-19= 45-33= 50-16= 18-7= 91-29= 43+27= 64-46= 31+20= 39+28= 49-21= 40+42= 93-40= 58-27= 37+45= 87+12= 47-23= 67-10= 31+67= 37+25= 64+21= 27-5= 55+11= 31+24= 23+67= 77-52= 7+83= 43-6= 57+9= 68-16= 96-9= 70-44= 26+35= 40-18= 85-44= 28-26= 99-61= 76-3= 67-41= 73+14= 61-49= 37+14= 43-21= 49+18= 34-18= 82-77= 92-32= 19+49=