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소수점 1자리 덧셈

1
4.7
+
3.3
=
8
2
2.5
+
2.9
=
5.4
3
1.3
+
3.4
=
4.7
4
7.4
+
8.1
=
15.5
5
2.8
+
4.5
=
7.3
6
4.7
+
2.4
=
7.1
7
1.4
+
1.5
=
2.9
8
2.4
+
8.4
=
10.8
9
8.4
+
1.2
=
9.6
10
5.2
+
2.2
=
7.4
11
3.2
+
4.5
=
7.7
12
7.1
+
9.4
=
16.5
13
2.6
+
1.9
=
4.5
14
4.6
+
6.1
=
10.7
15
8.4
+
1.6
=
10