208_減法練習單(2位數-1位數)
(
1)
48
-
41
=
(
2)
91
-
63
=
(
3)
67
-
42
=
(
4)
49
-
12
=
(
5)
84
-
32
=
(
6)
51
-
44
=
(
7)
16
-
13
=
(
8)
21
-
15
=
(
9)
82
-
73
=
(
10)
11
-
11
=
剩餘時間:
許俊文