소수점 1자리 덧셈
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소숫점: 1자리 덧셈19
1
1.9
+
7.7
=
9.6
2
7.5
+
2.2
=
9.7
3
6.3
+
4.5
=
10.8
4
8.2
+
3.5
=
11.7
5
5.6
+
9.6
=
15.2
6
2.7
+
7.2
=
9.9
7
3.5
+
3.8
=
7.3
8
6.6
+
3.6
=
10.2
9
1.4
+
5.3
=
6.7
10
9.9
+
5.7
=
15.6
11
7.5
+
2.8
=
10.3
12
1.9
+
3.7
=
5.6
13
1.7
+
8.2
=
9.9
14
8.8
+
4.9
=
13.7
15
2.1
+
1.6
=
3.7