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소숫점: 1자리 덧셈31

1
3.1
+
5.6
=
8.7
2
1.1
+
3.4
=
4.5
3
1.3
+
6.4
=
7.7
4
7.2
+
2.8
=
10
5
1.3
+
4.5
=
5.8
6
9.2
+
7.5
=
16.7
7
1.1
+
3.1
=
4.2
8
9.1
+
6.2
=
15.3
9
4.4
+
4.8
=
9.2
10
5.1
+
5.9
=
11
11
3.2
+
1.3
=
4.5
12
8.4
+
9.2
=
17.6
13
4.2
+
4.2
=
8.4
14
2.1
+
4.7
=
6.8
15
9.3
+
2.3
=
11.6