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소숫점: 1자리 덧셈77

1
7.7
+
6.9
=
14.6
2
3.7
+
4.7
=
8.4
3
9.2
+
4.4
=
13.6
4
5.8
+
4.9
=
10.7
5
8.3
+
9.5
=
17.8
6
2.4
+
8.3
=
10.7
7
5.5
+
3.5
=
9
8
1.1
+
3.1
=
4.2
9
2.9
+
5.4
=
8.3
10
3.5
+
4.9
=
8.4
11
2.1
+
8.3
=
10.4
12
5.5
+
5.1
=
10.6
13
4.9
+
6.2
=
11.1
14
5.4
+
7.6
=
13
15
3.6
+
5.2
=
8.8