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소숫점: 1자리 덧셈45

1
4.5
+
1.9
=
6.4
2
5.2
+
1.9
=
7.1
3
1.6
+
3.1
=
4.7
4
1.6
+
6.1
=
7.7
5
2.8
+
6.3
=
9.1
6
3.3
+
3.4
=
6.7
7
1.5
+
4.8
=
6.3
8
1.6
+
1.2
=
2.8
9
6.1
+
2.8
=
8.9
10
5.5
+
2.4
=
7.9
11
4.5
+
1.6
=
6.1
12
6.3
+
8.5
=
14.8
13
5.3
+
5.7
=
11
14
6.5
+
9.8
=
16.3
15
4.1
+
8.2
=
12.3