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소수점 1자리 덧셈

1
4.5
+
8.4
=
12.9
2
5.8
+
4.8
=
10.6
3
9.4
+
2.2
=
11.6
4
5.7
+
6.7
=
12.4
5
6.6
+
2.2
=
8.8
6
3.1
+
6.3
=
9.4
7
8.2
+
9.5
=
17.7
8
3.7
+
1.4
=
5.1
9
2.4
+
4.6
=
7
10
3.6
+
7.3
=
10.9
11
1.4
+
9.4
=
10.8
12
1.6
+
8.5
=
10.1
13
3.5
+
6.3
=
9.8
14
5.5
+
7.9
=
13.4
15
4.6
+
8.3
=
12.9