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소숫점: 1자리 덧셈20

1
2.9
+
3.3
=
6.2
2
3.8
+
2.9
=
6.7
3
2.3
+
6.9
=
9.2
4
1.2
+
4.3
=
5.5
5
3.6
+
3.9
=
7.5
6
4.1
+
4.5
=
8.6
7
8.5
+
3.2
=
11.7
8
3.7
+
2.7
=
6.4
9
2.1
+
1.4
=
3.5
10
3.9
+
6.5
=
10.4
11
9.3
+
2.2
=
11.5
12
1.1
+
2.9
=
4
13
2.5
+
2.4
=
4.9
14
2.5
+
1.9
=
4.4
15
7.3
+
6.2
=
13.5