소수점 1자리 덧셈
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소숫점: 1자리 덧셈23
1
2.3
+
3.7
=
6
2
5.5
+
3.5
=
9
3
9.5
+
8.2
=
17.7
4
6.2
+
5.2
=
11.4
5
3.5
+
1.9
=
5.4
6
9.4
+
5.9
=
15.3
7
2.9
+
2.1
=
5
8
1.7
+
5.9
=
7.6
9
3.4
+
7.8
=
11.2
10
7.5
+
1.5
=
9
11
4.4
+
9.2
=
13.6
12
1.2
+
3.8
=
5
13
6.3
+
8.3
=
14.6
14
1.1
+
8.4
=
9.5
15
7.9
+
8.1
=
16