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소수점 1자리 덧셈

1
3.9
+
8.3
=
12.2
2
5.6
+
1.4
=
7
3
8.4
+
2.4
=
10.8
4
2.5
+
5.1
=
7.6
5
2.2
+
2.1
=
4.3
6
1.8
+
9.1
=
10.9
7
4.6
+
1.4
=
6
8
1.2
+
4.2
=
5.4
9
8.4
+
3.9
=
12.3
10
6.3
+
6.4
=
12.7
11
3.7
+
8.3
=
12
12
3.7
+
2.4
=
6.1
13
5.5
+
1.9
=
7.4
14
4.1
+
4.1
=
8.2
15
3.6
+
2.5
=
6.1