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소숫점: 1자리 덧셈20

1
2.1
+
5.2
=
7.3
2
1.6
+
9.2
=
10.8
3
1.6
+
3.4
=
5
4
2.7
+
2.3
=
5
5
3.8
+
7.5
=
11.3
6
9.5
+
3.5
=
13
7
4.8
+
8.2
=
13
8
3.5
+
2.8
=
6.3
9
3.1
+
5.1
=
8.2
10
2.6
+
7.2
=
9.8
11
1.9
+
3.6
=
5.5
12
9.8
+
7.5
=
17.3
13
2.2
+
1.4
=
3.6
14
7.4
+
1.2
=
8.6
15
2.6
+
6.1
=
8.7