3+9=
7+8=
10-9=
6+8=
8-5=
10-5=
12+4=
5+7=
10-6+6=
6-3+10=
10-4+3=
2+8+5=
16-10+9=
15-5-5=
13-5=
8+9=
12-9=
12-5=
7+3=
14-6=
17-8=
11-6=
10-8=
9+6=
15-7=
16-9=
15-8=
10-7=
11-7=
5+7=
14-7=
6+8=
9+8=
13-8=
19-9=
3+9=
18-9=
70-40=
12-8=
23+5=
13+7+54=
32-7=
39-6=
70+7=
40+(13-6)=
6+6=
34-30=
6+50=
75-(10+50)=
13-6=
11-8=
14-9=
79-70=
2+34=
80-40=
9+30=
51-2=
69-3=
78-20= 67-7= 90-40= 7+62= 17-8= 18-9=
43-20= 13-7= 75-5= 7+32= 12-5= 38-5=
答:水果店原来共有箱水果。