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소숫점: 1자리 덧셈19

1
1.9
+
8.4
=
10.3
2
8.1
+
7.6
=
15.7
3
4.2
+
6.6
=
10.8
4
1.4
+
2.1
=
3.5
5
4.1
+
5.1
=
9.2
6
8.6
+
1.4
=
10
7
9.6
+
1.1
=
10.7
8
3.5
+
7.1
=
10.6
9
1.8
+
5.8
=
7.6
10
6.3
+
1.8
=
8.1
11
2.7
+
7.5
=
10.2
12
9.1
+
1.4
=
10.5
13
5.2
+
6.8
=
12
14
2.3
+
4.9
=
7.2
15
5.1
+
4.6
=
9.7