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소숫점: 1자리 덧셈84

1
8.4
+
2.5
=
10.9
2
9.3
+
1.6
=
10.9
3
6.5
+
2.1
=
8.6
4
4.9
+
1.4
=
6.3
5
2.2
+
6.9
=
9.1
6
5.7
+
5.5
=
11.2
7
5.5
+
4.7
=
10.2
8
4.2
+
6.1
=
10.3
9
1.9
+
3.2
=
5.1
10
6.2
+
4.5
=
10.7
11
3.9
+
4.2
=
8.1
12
9.2
+
8.8
=
18
13
1.9
+
5.5
=
7.4
14
2.5
+
2.6
=
5.1
15
1.4
+
3.2
=
4.6