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소숫점: 1자리 덧셈31

1
3.1
+
1.5
=
4.6
2
6.4
+
4.4
=
10.8
3
1.3
+
2.5
=
3.8
4
1.4
+
3.4
=
4.8
5
4.3
+
3.4
=
7.7
6
4.2
+
3.8
=
8
7
5.9
+
2.5
=
8.4
8
6.3
+
1.3
=
7.6
9
2.7
+
2.4
=
5.1
10
1.5
+
2.3
=
3.8
11
6.2
+
3.5
=
9.7
12
6.4
+
5.9
=
12.3
13
9.1
+
2.1
=
11.2
14
3.3
+
5.8
=
9.1
15
6.3
+
1.6
=
7.9