68+30= 75-40= 30+48= 45-20=
53+8=
52+9=
88-40=
32-9=
72-4=
25+30=
61-6=
16-4=
66-40=
93-6=
8+6=
20+60=
62-7 = 57-3= 12-7= 5+33= 17-8=
53-8= 11-8= 55+4= 14-7= 76-2=
16-9= 49+3= 25+20= 12-8= 17+50=
92-40= 88-60= 7+50= 90+3= 4+27=
48+8= 77-9= 86-20= 5+60= 50-3=
33+745-8 56+2026+50 8角9分 9角
35+953+8 82-3072-30 6元5角 5元6角
7+=12 15-=6
-9 =3 14-7=-6
14-9=2+ 10+25=20+
35-6= 80+18= 3+54= 98-60=
20+35= 52+6= 26+40= 20-5=
75-30= 8+9= 60-20= 78-6=
9+71= 37+7= 30+70= 47+4=
50-8= 7-7= 3+56= 100-0=
可能买哪两种?列式算一算。
笑笑从家出发先到超市,然后到图书馆,一共走了多少米?