Learning Task 3: Find the sum and difference. Write your answer in your
notebook. Express the answer in lowest term.
1) 10 2
4)
3
7) 2
9
12
3
20
35
육.
-
II
II.
2)
5)
8)
.
끝 -
1.
13
+
12
28.
+
11
35
12.
3)
2
6)
5
16
+
3
4
음
9) 9 + 1
||​