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소수점 1자리 덧셈

1
3.7
+
1.7
=
5.4
2
2.4
+
3.4
=
5.8
3
9.8
+
6.7
=
16.5
4
1.4
+
8.1
=
9.5
5
2.1
+
5.6
=
7.7
6
7.2
+
5.6
=
12.8
7
1.4
+
2.2
=
3.6
8
8.7
+
3.7
=
12.4
9
5.9
+
6.1
=
12
10
5.6
+
5.9
=
11.5
11
9.4
+
5.1
=
14.5
12
4.5
+
5.5
=
10
13
3.8
+
7.2
=
11
14
6.4
+
3.5
=
9.9
15
4.1
+
4.5
=
8.6