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소숫점: 1자리 덧셈18

1
1.8
+
2.5
=
4.3
2
9.2
+
2.7
=
11.9
3
2.4
+
3.1
=
5.5
4
6.1
+
4.3
=
10.4
5
4.6
+
1.4
=
6
6
1.6
+
1.8
=
3.4
7
1.4
+
5.9
=
7.3
8
5.7
+
1.1
=
6.8
9
4.4
+
1.4
=
5.8
10
2.4
+
1.1
=
3.5
11
8.8
+
3.3
=
12.1
12
9.4
+
9.2
=
18.6
13
2.7
+
6.2
=
8.9
14
8.6
+
5.2
=
13.8
15
6.5
+
7.9
=
14.4