소수점 1자리 덧셈
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소숫점: 1자리 덧셈25
1
2.5
+
4.7
=
7.2
2
4.7
+
1.5
=
6.2
3
4.4
+
7.5
=
11.9
4
2.5
+
2.1
=
4.6
5
1.6
+
2.3
=
3.9
6
5.1
+
4.8
=
9.9
7
3.3
+
4.2
=
7.5
8
5.5
+
4.4
=
9.9
9
4.9
+
3.5
=
8.4
10
4.4
+
2.8
=
7.2
11
2.4
+
2.7
=
5.1
12
4.6
+
1.5
=
6.1
13
7.5
+
1.7
=
9.2
14
3.4
+
6.1
=
9.5
15
3.6
+
3.8
=
7.4