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소숫점: 1자리 덧셈19

1
1.9
+
2.2
=
4.1
2
2.2
+
6.4
=
8.6
3
9.9
+
4.8
=
14.7
4
2.9
+
6.6
=
9.5
5
2.4
+
2.2
=
4.6
6
1.1
+
3.3
=
4.4
7
5.7
+
3.2
=
8.9
8
9.8
+
3.5
=
13.3
9
8.9
+
5.2
=
14.1
10
7.6
+
1.6
=
9.2
11
4.2
+
2.5
=
6.7
12
7.2
+
1.1
=
8.3
13
6.5
+
9.5
=
16
14
3.3
+
7.5
=
10.8
15
3.9
+
8.3
=
12.2