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소수점 1자리 덧셈

1
2.8
+
2.5
=
5.3
2
4.2
+
7.1
=
11.3
3
1.3
+
7.2
=
8.5
4
6.7
+
2.6
=
9.3
5
2.4
+
3.3
=
5.7
6
5.1
+
2.3
=
7.4
7
3.5
+
3.1
=
6.6
8
2.6
+
9.5
=
12.1
9
7.1
+
1.6
=
8.7
10
7.6
+
1.5
=
9.1
11
4.8
+
5.1
=
9.9
12
3.6
+
2.4
=
6
13
1.2
+
4.2
=
5.4
14
3.1
+
1.1
=
4.2
15
2.2
+
9.3
=
11.5