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소숫점: 1자리 덧셈15

1
1.5
+
2.3
=
3.8
2
4.5
+
9.8
=
14.3
3
2.3
+
1.9
=
4.2
4
1.1
+
9.9
=
11
5
4.2
+
4.1
=
8.3
6
9.4
+
5.2
=
14.6
7
1.5
+
2.6
=
4.1
8
2.1
+
9.2
=
11.3
9
2.2
+
1.6
=
3.8
10
2.3
+
1.7
=
4
11
4.6
+
4.3
=
8.9
12
2.9
+
1.1
=
4
13
8.4
+
9.8
=
18.2
14
6.1
+
2.5
=
8.6
15
5.9
+
2.6
=
8.5