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소숫점: 1자리 덧셈40

1
4.4
+
5.4
=
9.8
2
8.5
+
6.2
=
14.7
3
1.8
+
5.2
=
7
4
8.4
+
4.5
=
12.9
5
4.1
+
4.3
=
8.4
6
7.3
+
5.2
=
12.5
7
2.2
+
1.7
=
3.9
8
1.2
+
7.4
=
8.6
9
5.9
+
1.7
=
7.6
10
3.1
+
7.5
=
10.6
11
1.3
+
5.3
=
6.6
12
5.8
+
3.6
=
9.4
13
8.4
+
1.6
=
10
14
2.8
+
1.4
=
4.2
15
7.7
+
1.5
=
9.2