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소숫점: 1자리 덧셈15

1
1.5
+
1.9
=
3.4
2
9.1
+
7.7
=
16.8
3
1.5
+
6.1
=
7.6
4
6.8
+
4.5
=
11.3
5
6.9
+
2.5
=
9.4
6
5.6
+
1.8
=
7.4
7
6.1
+
4.3
=
10.4
8
9.8
+
3.4
=
13.2
9
4.3
+
9.1
=
13.4
10
9.6
+
2.2
=
11.8
11
1.8
+
8.2
=
10
12
1.9
+
4.6
=
6.5
13
4.2
+
7.4
=
11.6
14
1.5
+
8.6
=
10.1
15
5.4
+
8.2
=
13.6