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소숫점: 1자리 덧셈55

1
5.5
+
6.6
=
12.1
2
1.3
+
3.6
=
4.9
3
2.4
+
9.6
=
12
4
4.5
+
5.5
=
10
5
2.5
+
1.9
=
4.4
6
8.6
+
6.2
=
14.8
7
5.4
+
9.3
=
14.7
8
6.3
+
7.2
=
13.5
9
5.9
+
3.9
=
9.8
10
2.3
+
9.1
=
11.4
11
4.1
+
4.3
=
8.4
12
2.2
+
1.8
=
4
13
6.4
+
5.6
=
12
14
5.5
+
7.6
=
13.1
15
1.7
+
1.6
=
3.3