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소수점 1자리 덧셈

1
4.9
+
6.4
=
11.3
2
7.9
+
2.5
=
10.4
3
6.1
+
5.7
=
11.8
4
3.7
+
2.4
=
6.1
5
1.6
+
6.2
=
7.8
6
9.1
+
3.7
=
12.8
7
3.4
+
3.7
=
7.1
8
6.1
+
6.3
=
12.4
9
7.1
+
3.1
=
10.2
10
4.3
+
3.8
=
8.1
11
1.1
+
3.7
=
4.8
12
5.7
+
4.6
=
10.3
13
2.1
+
2.5
=
4.6
14
1.9
+
5.3
=
7.2
15
6.4
+
1.3
=
7.7
▲