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소수점 1자리 덧셈

1
6.4
+
2.2
=
8.6
2
3.7
+
3.5
=
7.2
3
1.5
+
6.4
=
7.9
4
4.6
+
3.4
=
8
5
2.4
+
5.9
=
8.3
6
1.6
+
9.1
=
10.7
7
1.8
+
9.4
=
11.2
8
4.8
+
1.3
=
6.1
9
1.8
+
2.4
=
4.2
10
5.4
+
7.5
=
12.9
11
1.7
+
1.8
=
3.5
12
2.3
+
5.1
=
7.4
13
4.2
+
2.3
=
6.5
14
5.5
+
8.3
=
13.8
15
1.3
+
5.1
=
6.4