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소수점 1자리 덧셈

1
2.1
+
9.9
=
12
2
3.4
+
9.3
=
12.7
3
8.1
+
8.8
=
16.9
4
2.1
+
9.2
=
11.3
5
5.9
+
3.9
=
9.8
6
9.3
+
3.5
=
12.8
7
3.6
+
6.2
=
9.8
8
3.3
+
1.9
=
5.2
9
6.7
+
3.3
=
10
10
9.3
+
6.1
=
15.4
11
4.5
+
1.1
=
5.6
12
2.8
+
3.9
=
6.7
13
5.6
+
1.6
=
7.2
14
2.6
+
8.2
=
10.8
15
9.1
+
5.9
=
15