2024-12-12 14:30| 查看: 3
1.
48,27,59,
49,18,76,
75,81,57
2.在○里填“>”“<”或“=”
>,=,<,>
3.
37,35,75,
28,71,84
4.
4+12=16(只)
5.
30+18=48(个)