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소숫점: 1자리 덧셈18

1
1.8
+
3.3
=
5.1
2
4.8
+
3.8
=
8.6
3
5.5
+
4.3
=
9.8
4
8.2
+
7.2
=
15.4
5
1.1
+
4.2
=
5.3
6
9.1
+
4.1
=
13.2
7
2.3
+
4.7
=
7
8
5.5
+
3.7
=
9.2
9
9.5
+
1.3
=
10.8
10
1.6
+
3.4
=
5
11
2.8
+
1.4
=
4.2
12
7.7
+
2.4
=
10.1
13
7.8
+
3.3
=
11.1
14
4.5
+
4.5
=
9
15
2.2
+
2.4
=
4.6