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소숫점: 1자리 덧셈19

1
1.9
+
3.1
=
5
2
8.7
+
2.2
=
10.9
3
2.1
+
7.8
=
9.9
4
5.1
+
3.1
=
8.2
5
8.2
+
1.4
=
9.6
6
2.5
+
1.7
=
4.2
7
8.2
+
9.5
=
17.7
8
1.8
+
3.4
=
5.2
9
9.9
+
3.3
=
13.2
10
1.8
+
2.2
=
4
11
7.4
+
3.4
=
10.8
12
1.5
+
3.9
=
5.4
13
4.1
+
9.6
=
13.7
14
1.3
+
9.3
=
10.6
15
4.5
+
2.6
=
7.1