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소숫점: 1자리 덧셈20

1
2.8
+
1.6
=
4.4
2
4.1
+
4.5
=
8.6
3
8.4
+
2.6
=
11
4
7.1
+
7.4
=
14.5
5
3.3
+
2.6
=
5.9
6
5.1
+
3.8
=
8.9
7
9.6
+
2.2
=
11.8
8
5.6
+
4.3
=
9.9
9
1.3
+
6.1
=
7.4
10
2.2
+
4.4
=
6.6
11
5.1
+
5.6
=
10.7
12
6.2
+
1.4
=
7.6
13
1.5
+
2.4
=
3.9
14
5.4
+
1.9
=
7.3
15
2.2
+
8.3
=
10.5