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소숫점: 1자리 덧셈45

1
4.5
+
2.4
=
6.9
2
9.5
+
9.7
=
19.2
3
6.3
+
2.3
=
8.6
4
2.1
+
5.7
=
7.8
5
4.8
+
6.6
=
11.4
6
1.4
+
1.1
=
2.5
7
4.2
+
1.7
=
5.9
8
5.7
+
2.6
=
8.3
9
8.2
+
8.9
=
17.1
10
4.3
+
1.8
=
6.1
11
4.2
+
7.5
=
11.7
12
5.8
+
1.3
=
7.1
13
4.1
+
1.3
=
5.4
14
1.9
+
4.6
=
6.5
15
2.7
+
8.6
=
11.3