请展开查看知识点列表
2+3= 4+1= 5+2= 6-3=
7-4= 5-1= 9-6= 8-4=
7-1= 6+3= 9-0= 7-5=
○○○○○○○○
6+=
+=
>>>>>>>>>
△ △ △ △ △
①7+1+2=
②10-4-2=
③7+3-5=
④6-4+3=
⑤4+4+1=
⑥9-5+2=
进入组卷