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소숫점: 1자리 덧셈84

1
8.4
+
1.5
=
9.9
2
8.1
+
1.1
=
9.2
3
6.1
+
6.8
=
12.9
4
5.4
+
6.1
=
11.5
5
7.8
+
3.1
=
10.9
6
9.1
+
6.5
=
15.6
7
9.1
+
9.2
=
18.3
8
2.6
+
7.5
=
10.1
9
7.1
+
2.6
=
9.7
10
3.2
+
3.6
=
6.8
11
1.2
+
6.1
=
7.3
12
5.4
+
7.4
=
12.8
13
1.3
+
3.1
=
4.4
14
1.2
+
2.6
=
3.8
15
4.6
+
5.4
=
10