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소숫점: 1자리 덧셈40

1
4.5
+
4.3
=
8.8
2
9.2
+
8.2
=
17.4
3
4.7
+
4.4
=
9.1
4
5.8
+
2.7
=
8.5
5
9.2
+
9.9
=
19.1
6
3.1
+
9.1
=
12.2
7
6.9
+
2.8
=
9.7
8
3.1
+
2.9
=
6
9
3.9
+
3.1
=
7
10
2.2
+
3.5
=
5.7
11
5.4
+
1.7
=
7.1
12
3.3
+
9.5
=
12.8
13
4.1
+
5.6
=
9.7
14
2.6
+
2.4
=
5
15
3.2
+
9.1
=
12.3