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소숫점: 1자리 덧셈30

1
3.7
+
3.2
=
6.9
2
1.4
+
5.3
=
6.7
3
1.2
+
1.7
=
2.9
4
5.6
+
2.4
=
8
5
1.8
+
4.5
=
6.3
6
6.2
+
1.5
=
7.7
7
9.1
+
5.3
=
14.4
8
7.2
+
8.3
=
15.5
9
4.2
+
5.5
=
9.7
10
7.8
+
1.5
=
9.3
11
2.6
+
5.5
=
8.1
12
6.2
+
6.6
=
12.8
13
2.3
+
2.1
=
4.4
14
6.2
+
3.1
=
9.3
15
1.2
+
3.2
=
4.4