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소숫점: 1자리 덧셈45

1
4.5
+
4.5
=
9
2
3.5
+
6.7
=
10.2
3
3.1
+
1.4
=
4.5
4
6.1
+
1.4
=
7.5
5
4.9
+
3.9
=
8.8
6
2.4
+
3.4
=
5.8
7
5.3
+
2.7
=
8
8
2.4
+
3.3
=
5.7
9
6.6
+
2.4
=
9
10
9.3
+
5.6
=
14.9
11
7.9
+
6.1
=
14
12
9.2
+
9.1
=
18.3
13
3.5
+
9.1
=
12.6
14
5.4
+
5.4
=
10.8
15
2.5
+
5.3
=
7.8