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소숫점: 1자리 덧셈40

1
4.7
+
6.2
=
10.9
2
4.5
+
4.4
=
8.9
3
8.8
+
2.4
=
11.2
4
1.3
+
7.3
=
8.6
5
2.6
+
2.2
=
4.8
6
4.3
+
4.7
=
9
7
6.3
+
6.5
=
12.8
8
6.3
+
8.7
=
15
9
4.1
+
5.2
=
9.3
10
1.2
+
5.7
=
6.9
11
2.3
+
5.2
=
7.5
12
4.5
+
6.5
=
11
13
3.9
+
2.4
=
6.3
14
6.4
+
9.8
=
16.2
15
6.3
+
9.2
=
15.5