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소숫점: 1자리 덧셈40

1
4.9
+
3.2
=
8.1
2
2.1
+
6.3
=
8.4
3
4.3
+
3.2
=
7.5
4
2.4
+
3.3
=
5.7
5
7.8
+
2.9
=
10.7
6
8.4
+
7.2
=
15.6
7
2.4
+
3.3
=
5.7
8
9.2
+
5.8
=
15
9
2.2
+
9.6
=
11.8
10
6.2
+
1.4
=
7.6
11
8.6
+
4.5
=
13.1
12
5.5
+
4.7
=
10.2
13
3.2
+
8.4
=
11.6
14
9.8
+
6.1
=
15.9
15
2.2
+
4.4
=
6.6