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소숫점: 1자리 덧셈18

1
1.8
+
2.5
=
4.3
2
4.2
+
2.8
=
7
3
2.4
+
4.5
=
6.9
4
5.1
+
4.1
=
9.2
5
1.3
+
2.4
=
3.7
6
1.2
+
3.5
=
4.7
7
9.4
+
8.8
=
18.2
8
1.3
+
2.1
=
3.4
9
1.2
+
5.2
=
6.4
10
7.8
+
7.4
=
15.2
11
2.4
+
8.2
=
10.6
12
4.2
+
1.1
=
5.3
13
3.4
+
6.7
=
10.1
14
5.9
+
1.6
=
7.5
15
8.3
+
6.8
=
15.1