소수점 1자리 덧셈
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소숫점: 1자리 덧셈90
1
9.2
+
5.5
=
14.7
2
5.4
+
7.4
=
12.8
3
6.1
+
4.7
=
10.8
4
9.2
+
6.1
=
15.3
5
4.9
+
5.5
=
10.4
6
3.2
+
4.7
=
7.9
7
2.8
+
3.3
=
6.1
8
3.5
+
6.6
=
10.1
9
4.7
+
4.5
=
9.2
10
7.3
+
7.9
=
15.2
11
4.3
+
1.5
=
5.8
12
4.2
+
1.1
=
5.3
13
4.7
+
5.1
=
9.8
14
2.8
+
5.7
=
8.5
15
4.8
+
1.8
=
6.6