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소숫점: 1자리 덧셈10

1
1.4
+
2.5
=
3.9
2
4.9
+
6.5
=
11.4
3
7.2
+
7.9
=
15.1
4
1.7
+
2.5
=
4.2
5
2.3
+
5.5
=
7.8
6
3.5
+
5.4
=
8.9
7
1.4
+
1.9
=
3.3
8
8.1
+
2.1
=
10.2
9
3.7
+
6.3
=
10
10
5.5
+
7.6
=
13.1
11
2.1
+
9.3
=
11.4
12
3.7
+
2.2
=
5.9
13
3.2
+
7.2
=
10.4
14
1.8
+
6.3
=
8.1
15
8.3
+
5.2
=
13.5