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소숫점: 1자리 덧셈47

1
4.7
+
7.4
=
12.1
2
3.6
+
3.3
=
6.9
3
3.1
+
1.5
=
4.6
4
6.2
+
9.2
=
15.4
5
2.1
+
4.5
=
6.6
6
3.1
+
6.3
=
9.4
7
3.5
+
2.7
=
6.2
8
7.6
+
5.7
=
13.3
9
2.3
+
8.2
=
10.5
10
2.6
+
4.7
=
7.3
11
6.6
+
1.2
=
7.8
12
2.9
+
5.8
=
8.7
13
3.5
+
4.1
=
7.6
14
2.7
+
2.2
=
4.9
15
9.9
+
3.5
=
13.4