201_減法練習單(1位數-1位數)
(
1)
9
-
3
=
(
2)
8
-
3
=
(
3)
7
-
2
=
(
4)
7
-
2
=
(
5)
1
-
0
=
(
6)
4
-
3
=
(
7)
2
-
0
=
(
8)
6
-
5
=
(
9)
8
-
3
=
(
10)
5
-
5
=
剩餘時間:
許俊文