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소숫점: 1자리 덧셈15

1
1.5
+
5.4
=
6.9
2
4.2
+
3.9
=
8.1
3
3.7
+
4.5
=
8.2
4
9.3
+
7.4
=
16.7
5
4.5
+
5.1
=
9.6
6
3.6
+
3.9
=
7.5
7
4.4
+
8.6
=
13
8
2.6
+
4.7
=
7.3
9
1.3
+
3.4
=
4.7
10
2.3
+
3.5
=
5.8
11
8.4
+
4.4
=
12.8
12
1.4
+
3.2
=
4.6
13
8.6
+
1.8
=
10.4
14
2.9
+
9.5
=
12.4
15
9.3
+
1.3
=
10.6