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소숫점: 1자리 덧셈19

1
1.9
+
2.2
=
4.1
2
5.1
+
5.7
=
10.8
3
5.2
+
9.5
=
14.7
4
4.1
+
8.1
=
12.2
5
1.2
+
3.4
=
4.6
6
5.4
+
1.7
=
7.1
7
2.7
+
5.4
=
8.1
8
5.4
+
1.5
=
6.9
9
5.6
+
4.3
=
9.9
10
1.9
+
1.2
=
3.1
11
6.5
+
1.3
=
7.8
12
2.6
+
1.1
=
3.7
13
3.4
+
5.4
=
8.8
14
9.2
+
1.6
=
10.8
15
2.2
+
6.3
=
8.5