소수점 1자리 덧셈
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소숫점: 1자리 덧셈40
1
4.4
+
2.2
=
6.6
2
2.1
+
6.5
=
8.6
3
7.5
+
3.5
=
11
4
1.2
+
1.7
=
2.9
5
3.7
+
4.8
=
8.5
6
5.7
+
6.3
=
12
7
6.8
+
5.2
=
12
8
9.3
+
1.2
=
10.5
9
3.7
+
3.7
=
7.4
10
5.5
+
5.6
=
11.1
11
6.2
+
9.1
=
15.3
12
3.3
+
1.3
=
4.6
13
2.5
+
5.1
=
7.6
14
3.5
+
8.2
=
11.7
15
1.7
+
4.7
=
6.4