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소숫점: 1자리 덧셈40

1
4.5
+
2.1
=
6.6
2
1.6
+
2.6
=
4.2
3
6.5
+
2.8
=
9.3
4
1.3
+
5.5
=
6.8
5
5.1
+
2.8
=
7.9
6
6.5
+
7.8
=
14.3
7
1.4
+
4.2
=
5.6
8
6.7
+
5.1
=
11.8
9
1.4
+
9.9
=
11.3
10
1.4
+
3.8
=
5.2
11
1.3
+
5.6
=
6.9
12
3.5
+
6.5
=
10
13
8.6
+
5.3
=
13.9
14
1.2
+
7.2
=
8.4
15
1.1
+
4.9
=
6