소수점 1자리 덧셈
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소숫점: 1자리 덧셈54
1
5.4
+
5.4
=
10.8
2
8.1
+
5.2
=
13.3
3
4.3
+
7.6
=
11.9
4
1.9
+
8.4
=
10.3
5
5.6
+
4.7
=
10.3
6
6.3
+
1.6
=
7.9
7
4.6
+
1.5
=
6.1
8
7.4
+
5.9
=
13.3
9
4.5
+
2.2
=
6.7
10
9.4
+
4.7
=
14.1
11
9.1
+
5.3
=
14.4
12
2.9
+
4.3
=
7.2
13
5.8
+
3.4
=
9.2
14
7.7
+
4.6
=
12.3
15
7.7
+
4.4
=
12.1