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소숫점: 1자리 덧셈81

1
8.1
+
4.4
=
12.5
2
2.1
+
1.8
=
3.9
3
7.5
+
7.2
=
14.7
4
6.5
+
7.5
=
14
5
5.8
+
3.7
=
9.5
6
1.3
+
5.2
=
6.5
7
5.4
+
5.3
=
10.7
8
6.4
+
3.6
=
10
9
9.6
+
9.6
=
19.2
10
2.3
+
7.9
=
10.2
11
2.1
+
2.6
=
4.7
12
2.6
+
2.5
=
5.1
13
2.4
+
7.4
=
9.8
14
8.1
+
7.3
=
15.4
15
2.2
+
9.5
=
11.7