9=3+ |
9=4+ |
9=5+ |
9=7+ |
9=1+ |
9=2+ |
9=6+ |
9=8+ |
9=0+ |
9=9+ |
在美丽的大自然中有许多小动物,草地上盛开着美丽的鲜花.有3只小鹿跑了,还剩几只小鹿?草地上一共有几个蘑菇?
8-2= | 9-8= | 9-2= |
4-4= | 9-8= |
□□□□
☆☆☆☆☆☆☆☆
2+6=4+ 6-5=-4
7-1=8- 2+3=4+
6 8 3 5 10 2 9
□+□=□ □+□=□
□-□=□ □-□=□
□+□=□ □-□=□
O个,口个,O比口多个。
□+□=□ □+□=□
□-□=□ □-□=□
□○□=□