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1、16-5= 7+3= 10-10= 0+9= 15+1= 4+3= 12+3= 5+10= 18-10= 10-1= 9-7= 6+7= 15-4= 7+7= 8+7= 10-3= 8+1= 7+4= 8+7= 10-0= 13-0+7= 2+3+1= 10+4+6= 6+2-2= 1+9+4= 6+5= 12+6= 3+4= 10-0= 18-16= 9-0= 6+9= 8-4= 11+7= 6+8= 8+8= 6+6= 1+19= 15-2= 11-10= 15-4= 11+3= 19-19= 8+8= 10+10= 7+4-1= 15+3-7= 6+4+5= 9+2+3= 3+7-4=
2、3+9= 17-5= 8+5= 14-11= 7+9= 8-3= 9+6= 8+4= 6-3= 17-3= 5+8= 15+3= 7+2= 4+7= 6+0= 9+9= 13+4= 6+1= 5+9= 8+3= 9+1+7= 3+8-1= 17-4+2= 4+8-2= 7+3+4= 1+3= 5+5= 9+1= 13-11= 4+2= 10-7= 2+9= 7+6= 17-4= 5+7= 7+5= 8+6= 7+8= 9+5= 14+5= 8-7= 19-2= 4+15= 19-5= 9+3= 10-5+6= 5+5+7= 8-4+10= 2+8-1= 9+7+3= 口 算 练 习 一 班级姓
3、名时间 9+7= 11-9= 6+9= 13-12= 12-9= 11-8= 13-7= 15-9= 7+6= 13-5= 14-6= 6+6= 8+3= 12-4= 14-5= 12-6= 9+6= 17-6= 78-8= 44-4= 93-3+7= 5+9-8= 9+9+10= 17-8-3= 6+7-4= 12-3= 14-8= 2+9= 8+5= 18-7= 4+7= 11-3= 8+7= 14-7= 11-5= 7+5= 15-8= 13-8= 3+8= 12-7= 8+4= 7+9= 70+8= 5+70= 75-70= 44-40+40= 7+6-11= 9+4-6= 11-6+
4、7= 9+3+7= 18-9= 12-5= 15-7= 7+4= 4+8= 9+2= 13-9= 5+8= 11-2= 15-6= 7+8= 11-6= 8+9= 19-8= 3+9= 5+6= 6+8= 78-70= 19-11= 3+90= 75-5-8= 5+4+7= 9+5-13= 8+7-9= 7+7+8= 17-8= 13-6= 11-4= 14-9= 16-7= 5+7= 17-9= 8+6= 13-4= 4+9= 16-9= 6+5= 16-8= 12-8= 11-7= 9+8= 9+4= 40+4= 93-90= 32-30= 18-6+4= 5+9+7= 18-5-9= 8
5、+8+9= 12-9-3= 口 算 练 习 二 班级姓名时间 11-3= 35-5= 54-4= 17-8= 20-8= 11-9= 9+11= 20-13= 12-8= 16-9= 20-5= 11-4= 18-9= 19-4= 16-7= 6+5= 12-4= 6+6= 12-6= 12-10= 11-6+7= 5+4+7= 17-2+4= 12-6+8= 9+5+4= 16-8= 17-9= 20-11= 19-2= 14-9= 18-4= 15-8= 14+3= 12-7= 17+2= 14-7= 20-9= 9+3= 13-6= 8+3= 15-6= 5+8= 13-5= 11-10
6、= 14-5= 4+8+6= 8+7-9= 14-7+5= 13-9+9= 7+8-9= 15-9= 9+10= 11-5= 18-4= 12-9= 12+4= 14-6= 16-2= 11-7= 20-16= 13-8= 7+4= 15-7= 20-17= 11-8= 7+5= 12-5= 16-4= 17-14= 7+8= 11-3-3= 19-5-8= 11+4-8= 18-5-9= 19-9-6= 14-8= 13-7= 20-14= 16-2= 11-6= 14-10= 20-17= 11-4= 8+7= 12-5= 20-12= 11-2= 19-3= 13-4= 5+7= 12-
7、3= 18-11= 17-3= 16-5= 18-13= 15-7+6= 12-4+5= 17-8-7= 6+5-9= 12-9-3= 口 算 练 习 三 班级姓名时间 11-9= 40+20= 24+8= 12-9= 85-4- 35-2= 44-8= 76+8= 26-4= 63-9= 53+8= 9+34= 30-20= 53-6= 56-2= 26+8= 45-7= 37-30= 24+30= 49-5+8= 43-8-30= 12-(5+4)= 50+27-9= 45+20+3= 13-9= 60-20= 47+9= 38-10= 26-7= 40+50= 24+7= 60-40=
8、8+48 14-9= 35-20= 38-2= 12-5= 60-4= 70-40 20+75= 51-9= 30+18= 87-3= 30+26+20= 58-(26+5)= 83-20+5= 60+(14-7)= 37-4+5= 90+5= 10+20= 15-9= 85+10= 57-20= 74-5= 16-9= 20+45= 73+5= 48+4= 70-30 70-7= 20+30= 5+70= 91-7= 48-9= 3+25= 76-40= 38+9= 90-(16+4)= 48+20+7= 27+4+30= 20+8+6= 90-40-30= 56-7= 78-40= 30+
9、20= 50+46= 56-20= 25+9= 78-60= 37+5= 70-7= 17-9= 5+65= 48-7- 69-50= 47-8= 18-9= 25+8= 50-20= 22-9= 43+7= 11-5+60= 10-(2+3)= 40+20+8= 38-(30+8)= 50-30+26= 口 算 练 习 四 班级姓名时间 11-8= 50-7= 30+40= 30-6= 12-8= 26+8= 50+30= 25+7= 86-30= 13-8= 7+35= 44-9= 21-8= 43-9= 80-30= 38+7= 68+5= 35-30= 36-8= 13-6+3= 17
10、+(54-4)= 56+5-20= 5+(2+3)= 15+40+7= 2+70= 57-3= 40+30= 53+7= 14-8= 90-80= 60-5= 99-8= 30-7= 15-8= 18+8= 89-50= 72+8= 19+7= 82-9= 80+10= 26-4= 9+30= 32-5= 60-8-30= 73-(13+7)= 48+8+30= 17+6+8= 54+(17+4)= 77-7= 16-8= 5+55= 80-80= 6+36= 17-8= 90-40= 35+9= 47+9= 13-5= 80-8= 26-2= 43+9= 57+8= 80-10= 8+72=
11、 50-7= 65-4= 9+30= 38+(46+4)= 13+7+54= 83-(27-20)= 50+16+4= 7+(14-9)= 6+70= 95-5= 11-3= 7+30= 85-20= 20+4= 12-3= 42-6= 6+56= 89-7= 9+90= 7+70= 53-30= 60-50= 70-30= 71-9= 20+20= 27+40= 48-6= 67-8-50= 10-2-3= 60+38-90= 93-(68-60)= 46+9+30= 口 算 练 习 五 班级姓名时间 46-7= 60-20= 65-5= 11-7= 35+4= 50+30= 4+36= 3
12、7-5= 42+40= 93+4= 75-2= 15+80= 12-7= 20+40= 75-4= 5+23= 72+20= 46-3= 62+10= 43+20= 50-10-9= 65-7-40= 39-(9-5)= 12-5-4= 47+(18-9)= 18+30= 56+8= 34-30= 62+9= 57+2= 25+30= 13-7= 50+23= 90-50= 35+40= 50-30= 75+20= 14-7= 40+26= 50+36= 72-50= 50+8= 35+7= 15-7= 6+50= 36-(16-6)= 76-6-8= 43-(3+27)= 87-9-10=
13、14-(9-3)= 58-20= 24+30= 69-60= 86-40 16-7= 60+20= 7+21= 13-4= 70+20= 75+2= 20+67= 9+36= 14-5= 75-40= 84-4= 7+45= 70+21= 42+3= 78-8= 60+9= 85+9-8= 30+(11-4)= 63-30+5= 40+(15-8)= 59-20-9= 73+40= 60-9= 20+6= 96-60= 45-20= 70-6= 11-4= 90-30= 42+30= 80-40= 57-2= 12-4= 58-30= 64+30= 45-6= 9+44= 86+2= 23+8
14、= 28-6= 49+4= 93-(68-60)= 36+40+2= 75-(10+50)= 16+4+42= 48+(18+9)= 口 算 练 习 六 班级姓名时间 50+21= 34+10= 11-6= 57-9= 15+6= 10-6= 5+31= 42+10= 12-6= 30-4= 13+7= 50-20= 45+30= 44+8= 50-6= 48+40= 78+7= 97-60= 4+72= 14-7= 4+48-3= 13-(6+3)= 8+4+7= 80-(50-20)= 6+40+30= 55-30= 27+7= 28-20= 24+7= 6+74= 13-6= 13+70
15、= 32+5= 27+6= 85-9=- 48+4= 14-6= 40+50= 57-20= 7+50= 58+20= 15+20= 15-9= 50+16= 39+5= 34-7+7= 50+17-7= 36+(27-7)= 18-7-6= 43+(1+9)= 45-10= 27+3= 89-9= 15-6= 75-20= 25+6= 6+54= 63-8= 79+2= 50+25= 6+79= 31+20= 11-2= 57+7= 74+7= 11-9= 35+8= 75-9= 13-8= 21+9= (23+8)-20= 47+8-6= 84-(44-4)= 49-(9-5)= 5+46
16、-6= 30+15= 6+25= 12-9= 9+13= 74-6= 25+60= 27+20= 13-9= 5+47= 44-40= 14-9= 40-30= 48-5= 79+20= 8+43= 67+2= 9+52= 25+8= 7+74= 7+32= 59+2-20= 20+50+9= 57-(19-9)= 13-(4+5)= 7+7-6= 口 算 练 习 七 班级姓名时间 54-50= 40+20= 20+5= 15-9= 74-6= 47+8= 28-7= 82-5= 16-9= 90-80= 52-9= 25+6= 65-7= 8+33= 26+9= 43-7= 72+9= 9+
17、62= 39+50= 39+40= 33(11+9)= 43-20-7= 8+(4+7)= 57-7-30= 94-30-4= 22-2= 34+7= 32-30= 5+38= 17-9= 98-8= 57+9= 59+8= 5+35= 74-60= 18-9= 45+20= 22-7= 60-3= 8+52= 49+4= 36+7= 65+20= 56+9= 60-30= 48-(17-9)= 13-4+5= 54-(38-8)= 25+10+5= 76-(15+5)= 3+43= 85-7= 8+40= 72-9= 11-5= 40+14= 84+5= 30+40= 58-20= 12-5
18、= 38+5= 53-4= 40+60= 13-5= 44+40= 23+30= 8+64= 68-5= 92-7= 80-9= 43-(27+3)= 38+10+4= 30+40-20= 36-(12+8)= 14-9-3= 70+7= 23+5= 29-9= 14-5= 67-40= 57+20= 75+9= 27-9= 11-8= 25+6= 60+38= 92-70= 76+8= 20+6= 68-50= 20+23= 12-8= 77+6= 47+20= 53-40= 56-(42+8)= 68+9+30= 75-(43-40)= 6+(17-9)= 48+4+9= 口 算 练 习
19、八 班级姓名时间 59+8= 43+20= 5+70= 13-8= 45+6= 93-30= 3+34= 36-20= 83+8= 76-4= 14-8= 40+9= 34+20= 6+46= 49+5= 72+20= 10+30= 84-9= 15-8= 34+7= 70-60+30= 26+(13+7)= 25-20+70= 46-7+20= 28-(16+4)= 98-90= 72+10= 16-8= 60-40= 80-7= 25+7= 76-4= 17-8= 8+34= 56+9= 67+8= 93-30= 75-40= 11-3= 13+10= 63-6= 76+8= 91+8=
20、50-5= 88+6= 34-(4+26)= 43-8+7= 72-(46-6)= 23-20+70= 87-7+10= 76-70= 5+85= 93-90= 9+63= 12-3= 32+30= 15-6= 3+37= 48+2= 11-7= 24+7= 64-20= 45+7= 60+34= 23-20= 22-7= 16+8= 80+12= 14+8= 53+9= 38-8+8= 79-10-20= 68-40+30= 20+5-5= 48-20+20= 22+9= 75+9= 3+90= 12-7= 68-30= 16+4= 13-7= 50+23= 26+9= 99-8= 63-7
21、= 45-9= 26+50= 81-9= 8+17= 15+30= 25+20= 98-8= 31+20= 25+2= 46-(18+2)= 25-6+10= 72-50+30= 58-(42+8)= 26-5+30= 口 算 练 习 九 班级姓名时间 48+7= 37-2= 70-30= 44-40= 14-7= 33+20= 40+40= 15-7= 44+5= 51-6= 76-6= 45+9= 36-8= 16-7= 84-60= 20+62= 64-30= 4+40= 56-40= 12-4= 48+40+80= 65-(40-20)= 46+30-10= 72-(24+6)= 17
22、+20-7= 76-7= 52-8= 65+30= 75-5= 57-3= 48+9= 62+8= 60-8= 24+9= 13-4= 35-20= 5+35= 6+32= 20+45= 52-5= 100-1= 24+70= 30+59= 25+9= 47+40= 11-4+70= 37+20-30= 62+8+16= 13+7+47= 76-(30+10)= 43+9= 91-4= 78-70= 81+7= 72-9= 11-6= 5+38= 8+63= 42-6= 72-9= 44+50= 12-6= 83+9= 79-40= 87+8= 60+37= 80-8= 30+50= 20+70= 39-4= 45+40-5= 12+5+30= 72+(46-6)= 54-40+3= 61+(28+2)= 67-7= 8+30= 93-3= 36-0= 28+5= 96-70= 13-6= 58-50= 46+7= 7+12= 63-9= 14-6= 48+8= 37+50= 60+30= 6+70= 35+20= 54-9= 0+99= 66-30= 46-(37+3)= 19+30-20= 39+(27+3)= 70-20+50= 54-(30+20)= 口 算 练 习 十 班级姓名时间