소수점 1자리 덧셈
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소숫점: 1자리 덧셈23
1
2.3
+
3.9
=
6.2
2
3.5
+
3.4
=
6.9
3
4.7
+
2.5
=
7.2
4
7.9
+
1.5
=
9.4
5
4.4
+
1.3
=
5.7
6
3.7
+
5.3
=
9
7
2.5
+
1.2
=
3.7
8
8.8
+
6.6
=
15.4
9
8.7
+
5.2
=
13.9
10
6.1
+
3.5
=
9.6
11
3.4
+
1.3
=
4.7
12
2.6
+
3.8
=
6.4
13
7.5
+
6.6
=
14.1
14
2.2
+
2.1
=
4.3
15
2.5
+
4.3
=
6.8