试卷更新日期:2025-08-06 类型:同步测试
查看试题解析
5-45 4-13 4+14-1
5-22 3-22 4-23-2
+=2 +=4
= =。
(块)
(个)
2+2=
2-1=
4+1=
3-2=
3-1=
1+2=
5-4=
4-2=
(只)
(朵)