请展开查看知识点列表
12-=8 15-=9 8+=15
14-=7 -6=8 13-=7
()=(个)
11-6=
17-9=
13-7=
10-7=
12-8=
15-9=
14-8=
17-8=
13-8=
16-8=
18-9=
11-8=
15-8=
15-816-8 14-915-8 13-817-8
16-816-9 13-814-9 17-817-9
列式:(人)
列式:(面)
进入组卷