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소숫점: 1자리 덧셈40

1
4.7
+
4.9
=
9.6
2
7.3
+
7.9
=
15.2
3
4.1
+
8.4
=
12.5
4
1.5
+
5.5
=
7
5
1.9
+
4.4
=
6.3
6
4.5
+
5.5
=
10
7
4.1
+
2.6
=
6.7
8
8.3
+
8.1
=
16.4
9
5.9
+
3.4
=
9.3
10
8.4
+
3.8
=
12.2
11
4.1
+
7.8
=
11.9
12
1.1
+
5.9
=
7
13
3.5
+
4.1
=
7.6
14
4.8
+
2.2
=
7
15
1.4
+
2.8
=
4.2