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소숫점: 1자리 덧셈25

1
2.5
+
6.2
=
8.7
2
1.3
+
3.8
=
5.1
3
3.4
+
4.4
=
7.8
4
4.4
+
6.3
=
10.7
5
4.2
+
7.3
=
11.5
6
3.7
+
3.5
=
7.2
7
1.7
+
1.2
=
2.9
8
8.3
+
5.2
=
13.5
9
1.2
+
9.7
=
10.9
10
1.4
+
1.4
=
2.8
11
3.3
+
6.3
=
9.6
12
4.5
+
2.2
=
6.7
13
1.1
+
3.3
=
4.4
14
8.7
+
9.4
=
18.1
15
5.4
+
6.3
=
11.7