文档介绍：一年级
48+8=
35+8=
4+19 =
7+26=
4+37 =
29+4=
39+8=
26+7 =
7+38=
6+18=
40+6=
35+30=
32+8=
25+5 =
13+7 =
86+8=
19+60=
32+8=
16+9=
34+6=
5+37 =
14+7 =
37+9=
57+8=
39+2=
27+4=
50+5 =
54+9 =
70+60=
39+50=
10+40=
6+10=
18+50=
74+6=
37+2 =
26+50=
23+70=
47+4=
88+3=
47+6=
99+1 =
68+5 =
48+50=
23+6=
78+50=
87+9=
23+7 =
27+6=
83+8=
19+6=
36+6=
18+7 =
47+9 =
85+6=
83+70=
67+40=
88+3 =
47+6=
39+8=
68+5 =
36+8=
19+6=
28+50=
53+6=
78+5 =
17+9=
23+8=
46+6=
90+9 =
84+7 =
34+7 =
56+3 =
12+9= 93+3= 58+3= 75+7= 35+6= 86+8=
23+8=
89+6=
75+5 =
86+6=
68+7 =
87+9 =
26+9 =
25+6=
50+37=
49+7 =
87+9 =
50+8=
61+9 =
85+4=
91+8=
82+5 =
39+10=
46+7=
3+7 =
37+4=
78+3=
27+60=
39+8=
68+5 =
9+25 =
35+6=
2+40=
86+2=
48+7 =
39+10=
16+9 =
5+18=
17+3 =
36+6=
29+5 =
87+9=
48+8=
35+8=
4+19 =
7+26=
4+37 =
29+4=
19+8=
29+7 =
7+38=
9+18=
40+6=
35+30=
62+8=
75+5 =
23+7 =
26+8=
19+60=
32+8=
16+9 =
24+6=
5+37 =
44+7 =
67+9 =
50+8=
2+38=
56+8=
36+5 =
35+6=
46+9 =
9+25=
50-4=
11+2 =
53-3=
60+8=
80-7 =
92+4=
32+4=
26-5 =
84+4=
35-10=
71+9=
39+9=
12+6= 29-7= 33+2= 3+40= 15+4= 34-2=
18-2=
30+8=
43+1=
86+2=
70+3=
89-5 =
30-2=
72-2 =
66-4=
39-2=
20-9 =
62+7 =
53+5=
35+2 =
39-4=
8+50=
20-1 =
40+6=
56+20=
64+6=
65+3=
15-3=
30-3 =
38-9=
32+6=
29-7 =
35+2 =
73+4=
25+4=
41-2 =
43+5=
87+10=
39-3 =
48-30=
95-40=
32-4=
81-2=
60+8=
39+10=
76+10=
70+30=
27-9 =
48-9=
47-8=
52-4=
43-8=
68-9=
40-2=
二年级
整百整十数退位减法
120-80 =
700- 660 =
340- 170 =
140-80 =
640- 80 =
510-20 =
830- 180 =
540- 90 =
400- 340 =
980-490 =
430- 380 =
950- 860 =
520- 380 =
940-470 =
200-70 =
420- 260 =
530-450 =
330- 60 =
960- 670 =
140-80 =
630- 180 =
450- 90 =
220- 60 =
500- 250 =
930- 80 =
560- 380 =
850- 70 =
980- 90 =
640-80 =
600-70 =
760- 290 =
210-30 =
730- 50 =
740-260 =
610- 50 =
500- 10 =
270- 190 =
430