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소숫점: 1자리 덧셈83

1
8.3
+
3.8
=
12.1
2
7.5
+
6.9
=
14.4
3
4.5
+
3.6
=
8.1
4
8.1
+
8.6
=
16.7
5
4.4
+
4.9
=
9.3
6
4.9
+
6.6
=
11.5
7
1.2
+
1.2
=
2.4
8
2.7
+
9.1
=
11.8
9
1.9
+
3.2
=
5.1
10
5.4
+
2.6
=
8
11
3.5
+
4.6
=
8.1
12
3.6
+
7.2
=
10.8
13
2.3
+
9.5
=
11.8
14
4.7
+
3.7
=
8.4
15
7.4
+
1.3
=
8.7