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소숫점: 1자리 덧셈50

1
5.9
+
1.8
=
7.7
2
1.1
+
4.4
=
5.5
3
7.2
+
1.5
=
8.7
4
9.5
+
8.1
=
17.6
5
3.4
+
2.1
=
5.5
6
8.9
+
3.9
=
12.8
7
6.2
+
5.7
=
11.9
8
5.1
+
9.5
=
14.6
9
5.2
+
6.4
=
11.6
10
5.6
+
2.3
=
7.9
11
5.4
+
7.1
=
12.5
12
2.3
+
7.6
=
9.9
13
3.2
+
3.1
=
6.3
14
6.4
+
2.8
=
9.2
15
3.3
+
9.5
=
12.8