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소숫점: 1자리 덧셈15

1
1.5
+
6.4
=
7.9
2
3.5
+
3.8
=
7.3
3
8.6
+
1.6
=
10.2
4
9.6
+
1.6
=
11.2
5
1.1
+
7.2
=
8.3
6
5.2
+
6.2
=
11.4
7
1.5
+
1.2
=
2.7
8
1.2
+
2.2
=
3.4
9
1.7
+
1.3
=
3
10
4.7
+
3.9
=
8.6
11
5.5
+
1.1
=
6.6
12
2.4
+
2.5
=
4.9
13
8.3
+
4.9
=
13.2
14
9.2
+
5.5
=
14.7
15
7.3
+
5.4
=
12.7