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소수점 1자리 덧셈

1
4.5
+
3.4
=
7.9
2
8.1
+
9.9
=
18
3
7.7
+
7.3
=
15
4
5.4
+
2.6
=
8
5
1.7
+
1.6
=
3.3
6
7.5
+
2.5
=
10
7
4.7
+
3.8
=
8.5
8
9.2
+
4.6
=
13.8
9
8.5
+
9.3
=
17.8
10
1.7
+
6.3
=
8
11
9.5
+
4.1
=
13.6
12
8.7
+
4.2
=
12.9
13
9.3
+
2.5
=
11.8
14
3.7
+
5.2
=
8.9
15
4.3
+
5.8
=
10.1