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소숫점: 1자리 덧셈53

1
5.3
+
7.2
=
12.5
2
7.7
+
2.5
=
10.2
3
8.2
+
5.3
=
13.5
4
3.5
+
8.6
=
12.1
5
5.8
+
3.1
=
8.9
6
5.5
+
3.1
=
8.6
7
9.4
+
3.6
=
13
8
5.4
+
4.1
=
9.5
9
2.8
+
6.1
=
8.9
10
9.6
+
3.4
=
13
11
2.6
+
1.5
=
4.1
12
8.9
+
1.7
=
10.6
13
4.8
+
2.5
=
7.3
14
8.2
+
2.6
=
10.8
15
1.1
+
5.3
=
6.4