六年级 期末复习
手机拍一拍
作业全改好
8
9
9 = (
1
4
+
2
3
)
1
5
= 0:250:034 = (
1
4
+
1
2
)8 =
(
5
6
2
3
)
3
4
=
1
3
(
1
2
+
1
2
) = (
3
4
1
3
)1 = (
2
3
1
2
)
9
4
=
(5 + 4)8 = (
1
7
+
六年级10000题.pdf
