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소숫점: 1자리 덧셈12

1
1.2
+
1.3
=
2.5
2
8.2
+
2.2
=
10.4
3
2.5
+
2.3
=
4.8
4
4.2
+
1.5
=
5.7
5
1.8
+
2.9
=
4.7
6
5.5
+
2.1
=
7.6
7
5.4
+
6.3
=
11.7
8
3.1
+
2.6
=
5.7
9
1.4
+
3.1
=
4.5
10
6.3
+
2.3
=
8.6
11
5.9
+
4.2
=
10.1
12
4.5
+
1.8
=
6.3
13
7.1
+
5.1
=
12.2
14
4.8
+
2.6
=
7.4
15
3.5
+
2.1
=
5.6