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소숫점: 1자리 덧셈12

1
1.2
+
2.8
=
4
2
8.5
+
8.8
=
17.3
3
1.4
+
8.1
=
9.5
4
4.4
+
2.2
=
6.6
5
3.8
+
5.2
=
9
6
4.1
+
9.6
=
13.7
7
1.9
+
9.2
=
11.1
8
6.6
+
2.2
=
8.8
9
1.1
+
4.1
=
5.2
10
3.5
+
6.2
=
9.7
11
7.4
+
2.3
=
9.7
12
2.2
+
1.3
=
3.5
13
3.5
+
4.1
=
7.6
14
2.6
+
1.9
=
4.5
15
3.5
+
1.7
=
5.2