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소수점 1자리 덧셈

1
5.6
+
2.1
=
7.7
2
9.2
+
3.6
=
12.8
3
4.4
+
8.5
=
12.9
4
5.4
+
8.4
=
13.8
5
1.6
+
2.3
=
3.9
6
4.6
+
3.7
=
8.3
7
1.6
+
3.2
=
4.8
8
9.9
+
5.2
=
15.1
9
8.2
+
1.9
=
10.1
10
5.2
+
1.5
=
6.7
11
6.1
+
4.8
=
10.9
12
4.5
+
3.3
=
7.8
13
6.8
+
2.3
=
9.1
14
4.2
+
9.9
=
14.1
15
4.3
+
7.4
=
11.7
▲