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소수점 1자리 덧셈

1
1.9
+
4.2
=
6.1
2
8.8
+
4.9
=
13.7
3
8.5
+
9.8
=
18.3
4
5.8
+
3.8
=
9.6
5
6.1
+
5.6
=
11.7
6
5.6
+
7.2
=
12.8
7
6.5
+
2.6
=
9.1
8
3.3
+
7.2
=
10.5
9
3.1
+
9.4
=
12.5
10
3.2
+
1.3
=
4.5
11
3.6
+
1.6
=
5.2
12
3.6
+
1.2
=
4.8
13
4.2
+
4.4
=
8.6
14
6.9
+
2.9
=
9.8
15
6.3
+
4.6
=
10.9
▲