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소숫점: 1자리 덧셈30

1
3.3
+
4.5
=
7.8
2
3.5
+
3.1
=
6.6
3
4.6
+
1.1
=
5.7
4
8.6
+
3.7
=
12.3
5
3.3
+
3.2
=
6.5
6
1.4
+
8.7
=
10.1
7
6.2
+
2.1
=
8.3
8
1.6
+
1.4
=
3
9
4.6
+
4.4
=
9
10
5.5
+
4.5
=
10
11
3.3
+
5.1
=
8.4
12
3.8
+
6.5
=
10.3
13
3.3
+
3.2
=
6.5
14
4.4
+
1.5
=
5.9
15
3.2
+
3.5
=
6.7