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소숫점: 1자리 덧셈31

1
3.1
+
3.1
=
6.2
2
4.4
+
5.2
=
9.6
3
4.4
+
8.2
=
12.6
4
7.8
+
1.2
=
9
5
5.1
+
5.1
=
10.2
6
7.2
+
1.4
=
8.6
7
7.2
+
4.4
=
11.6
8
2.5
+
1.4
=
3.9
9
3.6
+
7.5
=
11.1
10
1.5
+
1.2
=
2.7
11
1.4
+
8.7
=
10.1
12
1.1
+
9.9
=
11
13
9.4
+
7.3
=
16.7
14
2.1
+
1.7
=
3.8
15
5.5
+
8.5
=
14