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소수점 1자리 덧셈

1
2.5
+
7.4
=
9.9
2
7.7
+
1.2
=
8.9
3
3.2
+
4.9
=
8.1
4
2.3
+
3.6
=
5.9
5
2.1
+
9.8
=
11.9
6
5.3
+
1.4
=
6.7
7
4.9
+
3.1
=
8
8
4.2
+
1.2
=
5.4
9
2.2
+
2.3
=
4.5
10
2.5
+
9.6
=
12.1
11
6.3
+
9.3
=
15.6
12
1.2
+
1.4
=
2.6
13
2.1
+
7.9
=
10
14
4.5
+
2.3
=
6.8
15
6.5
+
2.6
=
9.1