29﹣9= |
77﹣70= |
62+6= |
17﹣9+21= |
87﹣7= |
13﹣8= |
20+30= |
18﹣9+2= |
37﹣30= |
53﹣3= |
2+22= |
15﹣6+7= |
60﹣30= |
10+80= |
5+42= |
56﹣6+5= |
+9=15 17﹣=8+3 ﹣6=6
=
=
=
正方形 |
个 |
长方形 |
个 |
三角形 |
个 |
圆 |
个 |