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소수점 1자리 덧셈

1
2.2
+
1.2
=
3.4
2
2.1
+
7.9
=
10
3
4.3
+
2.8
=
7.1
4
5.2
+
3.6
=
8.8
5
5.7
+
7.2
=
12.9
6
1.9
+
1.2
=
3.1
7
5.3
+
9.2
=
14.5
8
1.6
+
7.1
=
8.7
9
8.9
+
6.5
=
15.4
10
3.7
+
2.4
=
6.1
11
4.5
+
3.1
=
7.6
12
2.4
+
7.3
=
9.7
13
5.6
+
3.6
=
9.2
14
3.8
+
4.5
=
8.3
15
4.2
+
1.1
=
5.3