소수점 1자리 덧셈
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소숫점: 1자리 덧셈42
1
4.2
+
7.3
=
11.5
2
4.5
+
9.2
=
13.7
3
7.8
+
2.5
=
10.3
4
1.3
+
1.3
=
2.6
5
5.3
+
3.4
=
8.7
6
2.5
+
1.6
=
4.1
7
6.5
+
8.1
=
14.6
8
5.7
+
1.1
=
6.8
9
8.3
+
4.7
=
13
10
8.2
+
8.2
=
16.4
11
2.6
+
6.7
=
9.3
12
3.4
+
3.6
=
7
13
5.4
+
2.3
=
7.7
14
7.7
+
3.7
=
11.4
15
8.1
+
3.7
=
11.8