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소수점 1자리 덧셈

1
2.2
+
1.7
=
3.9
2
7.1
+
7.2
=
14.3
3
4.1
+
8.1
=
12.2
4
7.2
+
2.7
=
9.9
5
6.1
+
5.3
=
11.4
6
6.3
+
3.1
=
9.4
7
2.7
+
1.7
=
4.4
8
1.3
+
3.3
=
4.6
9
9.4
+
2.1
=
11.5
10
6.3
+
7.8
=
14.1
11
5.5
+
3.2
=
8.7
12
8.1
+
6.3
=
14.4
13
8.5
+
5.1
=
13.6
14
5.2
+
3.9
=
9.1
15
3.1
+
9.5
=
12.6
▲