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소숫점: 1자리 덧셈

1
3.1
+
1.9
=
5
2
9.5
+
5.7
=
15.2
3
2.3
+
2.2
=
4.5
4
9.6
+
4.4
=
14
5
4.1
+
5.9
=
10
6
2.9
+
4.6
=
7.5
7
2.1
+
1.4
=
3.5
8
6.2
+
3.1
=
9.3
9
7.1
+
4.9
=
12
10
7.1
+
1.8
=
8.9
11
1.2
+
2.8
=
4
12
5.2
+
3.3
=
8.5
13
8.3
+
1.4
=
9.7
14
3.4
+
4.8
=
8.2
15
2.3
+
4.6
=
6.9