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소수점 1자리 덧셈

1
2.5
+
1.6
=
4.1
2
8.8
+
1.1
=
9.9
3
2.3
+
4.3
=
6.6
4
3.1
+
3.4
=
6.5
5
3.2
+
6.2
=
9.4
6
7.3
+
3.1
=
10.4
7
2.1
+
6.5
=
8.6
8
2.5
+
4.6
=
7.1
9
3.2
+
4.2
=
7.4
10
4.5
+
8.1
=
12.6
11
5.1
+
1.1
=
6.2
12
6.3
+
4.2
=
10.5
13
6.1
+
5.6
=
11.7
14
8.9
+
4.7
=
13.6
15
8.4
+
8.3
=
16.7
▲