17-3=
9+9=
35-9=
5+49=
65-8=
66-8=
11-4=
6+6=
16-10=
40+30=
100-80=
57+40=
40-9=
40+53=
60+40=
47-8=
36+7=
100-20=
79+7=
92-70=
13-5=
75+4=
56-56=
15-8=
4+38=
85-7=
71-7=
3+78=
93-70=
70-9=
19+8=
65-60=
17-4=
18+6=
7+34=
6-2=
23+60=
80-80=
60+6=
5+67=
19-9=
50-8=
97-5=
4+66=
5+9=
9+35=
4+9=
14-3=
5+37=
70-30=
40+30=
52-30=
17-6=
14-6=
13-7=
94-60=
36+60=
11-9=
57+5=
58-30=
30+67=
6+87=
53+7=
30+26=
50-50=
52+7=
68+20=
46+4=
99-7=
40-9=
36-5=
75-30=
15-15=
89-7=
21-9=
34+8=
56-18=
80-70=
64+5=
85+6=
40+27=
16-8=
4+32=
73-3=
85-9=
83-50=
56-6=
59+9=
57-6=
70+7=
77-70=
49-7=
63-20=
43+2=
18-7=
85+6=
6+30=
9+30=
33+7=
100-0=一年级口算训练这一试题