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소숫점: 1자리 덧셈68

1
6.8
+
3.4
=
10.2
2
1.2
+
1.3
=
2.5
3
5.9
+
5.5
=
11.4
4
7.5
+
5.1
=
12.6
5
3.6
+
5.2
=
8.8
6
5.3
+
9.7
=
15
7
1.8
+
3.2
=
5
8
8.3
+
9.4
=
17.7
9
3.8
+
2.1
=
5.9
10
7.9
+
1.3
=
9.2
11
2.9
+
9.1
=
12
12
1.3
+
8.3
=
9.6
13
4.4
+
4.3
=
8.7
14
2.1
+
8.8
=
10.9
15
4.2
+
7.3
=
11.5