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소수점 1자리 덧셈

1
2.2
+
1.8
=
4
2
3.3
+
3.1
=
6.4
3
2.3
+
7.3
=
9.6
4
3.5
+
2.7
=
6.2
5
2.4
+
2.5
=
4.9
6
3.5
+
4.1
=
7.6
7
8.5
+
3.3
=
11.8
8
1.5
+
8.4
=
9.9
9
1.4
+
3.2
=
4.6
10
2.1
+
6.1
=
8.2
11
7.1
+
2.2
=
9.3
12
8.3
+
9.3
=
17.6
13
3.5
+
1.5
=
5
14
3.4
+
4.6
=
8
15
6.2
+
1.1
=
7.3