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소숫점: 1자리 덧셈75

1
7.5
+
4.2
=
11.7
2
1.4
+
8.6
=
10
3
4.2
+
1.8
=
6
4
8.4
+
3.3
=
11.7
5
6.1
+
9.6
=
15.7
6
4.5
+
4.2
=
8.7
7
2.3
+
2.5
=
4.8
8
5.3
+
6.2
=
11.5
9
7.1
+
1.3
=
8.4
10
3.2
+
3.3
=
6.5
11
3.9
+
7.5
=
11.4
12
9.5
+
1.4
=
10.9
13
1.8
+
6.4
=
8.2
14
7.2
+
8.9
=
16.1
15
7.2
+
2.3
=
9.5