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소숫점: 1자리 덧셈68

1
6.8
+
2.1
=
8.9
2
7.3
+
1.1
=
8.4
3
1.7
+
1.5
=
3.2
4
2.6
+
2.5
=
5.1
5
4.3
+
7.5
=
11.8
6
2.1
+
3.7
=
5.8
7
5.5
+
4.4
=
9.9
8
5.2
+
4.5
=
9.7
9
6.2
+
2.9
=
9.1
10
7.4
+
5.6
=
13
11
2.6
+
6.3
=
8.9
12
2.4
+
1.6
=
4
13
5.8
+
7.6
=
13.4
14
3.3
+
3.7
=
7
15
4.5
+
3.2
=
7.7