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소숫점: 1자리 덧셈40

1
4.7
+
1.9
=
6.6
2
3.4
+
9.7
=
13.1
3
2.3
+
5.2
=
7.5
4
6.3
+
5.5
=
11.8
5
4.5
+
9.9
=
14.4
6
2.9
+
2.5
=
5.4
7
7.5
+
8.5
=
16
8
1.2
+
6.5
=
7.7
9
9.7
+
6.1
=
15.8
10
7.6
+
3.4
=
11
11
4.7
+
6.5
=
11.2
12
2.2
+
5.8
=
8
13
6.3
+
2.9
=
9.2
14
4.2
+
7.5
=
11.7
15
7.4
+
9.3
=
16.7