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소숫점: 1자리 덧셈13

1
1.3
+
1.4
=
2.7
2
4.9
+
3.9
=
8.8
3
9.3
+
8.1
=
17.4
4
1.9
+
3.6
=
5.5
5
3.4
+
2.9
=
6.3
6
4.9
+
4.1
=
9
7
9.2
+
6.6
=
15.8
8
1.2
+
9.2
=
10.4
9
3.3
+
8.1
=
11.4
10
1.2
+
1.8
=
3
11
3.2
+
5.3
=
8.5
12
1.4
+
3.6
=
5
13
6.4
+
7.9
=
14.3
14
3.4
+
8.4
=
11.8
15
3.1
+
6.1
=
9.2