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소숫점: 1자리 덧셈42

1
4.2
+
2.5
=
6.7
2
4.7
+
4.1
=
8.8
3
1.4
+
3.1
=
4.5
4
3.1
+
1.2
=
4.3
5
6.4
+
4.4
=
10.8
6
4.7
+
1.3
=
6
7
1.7
+
3.5
=
5.2
8
8.5
+
5.1
=
13.6
9
8.3
+
1.7
=
10
10
2.7
+
4.6
=
7.3
11
2.7
+
4.4
=
7.1
12
4.3
+
9.8
=
14.1
13
1.3
+
1.8
=
3.1
14
9.3
+
3.3
=
12.6
15
9.9
+
8.4
=
18.3