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소수점 1자리 덧셈

1
2.4
+
7.3
=
9.7
2
1.4
+
4.6
=
6
3
6.3
+
1.4
=
7.7
4
5.5
+
2.3
=
7.8
5
3.4
+
1.5
=
4.9
6
4.8
+
2.1
=
6.9
7
7.5
+
4.4
=
11.9
8
6.9
+
6.4
=
13.3
9
2.1
+
7.2
=
9.3
10
8.2
+
4.6
=
12.8
11
1.3
+
7.3
=
8.6
12
7.3
+
7.9
=
15.2
13
1.4
+
2.6
=
4
14
4.4
+
5.8
=
10.2
15
3.8
+
4.5
=
8.3