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소숫점: 1자리 덧셈45

1
4.5
+
3.2
=
7.7
2
3.9
+
2.1
=
6
3
2.5
+
1.3
=
3.8
4
7.3
+
3.7
=
11
5
3.4
+
7.3
=
10.7
6
1.3
+
8.5
=
9.8
7
2.6
+
2.8
=
5.4
8
4.5
+
2.6
=
7.1
9
8.2
+
9.6
=
17.8
10
5.9
+
7.2
=
13.1
11
4.8
+
8.6
=
13.4
12
1.1
+
5.6
=
6.7
13
2.2
+
8.2
=
10.4
14
1.7
+
4.8
=
6.5
15
6.4
+
1.6
=
8