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소수점 1자리 덧셈

1
1.5
+
3.9
=
5.4
2
1.8
+
7.3
=
9.1
3
1.8
+
1.4
=
3.2
4
7.3
+
6.6
=
13.9
5
4.2
+
3.5
=
7.7
6
1.8
+
2.4
=
4.2
7
4.3
+
4.2
=
8.5
8
5.5
+
2.4
=
7.9
9
4.7
+
5.2
=
9.9
10
1.6
+
2.2
=
3.8
11
3.1
+
9.4
=
12.5
12
3.4
+
4.6
=
8
13
4.5
+
9.1
=
13.6
14
5.5
+
9.3
=
14.8
15
6.5
+
8.4
=
14.9
▲