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소숫점: 1자리 덧셈10

1
1.2
+
1.4
=
2.6
2
7.8
+
5.4
=
13.2
3
3.5
+
4.9
=
8.4
4
6.1
+
3.4
=
9.5
5
4.5
+
6.8
=
11.3
6
1.4
+
5.5
=
6.9
7
2.4
+
4.1
=
6.5
8
3.4
+
2.9
=
6.3
9
5.2
+
6.9
=
12.1
10
2.7
+
8.2
=
10.9
11
5.1
+
2.8
=
7.9
12
6.8
+
5.1
=
11.9
13
8.6
+
2.7
=
11.3
14
4.1
+
2.2
=
6.3
15
3.2
+
8.2
=
11.4