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소숫점: 1자리 덧셈52

1
5.2
+
2.5
=
7.7
2
4.6
+
4.4
=
9
3
1.5
+
1.8
=
3.3
4
1.1
+
8.4
=
9.5
5
3.5
+
5.7
=
9.2
6
3.3
+
1.4
=
4.7
7
5.3
+
6.9
=
12.2
8
1.8
+
6.6
=
8.4
9
6.5
+
9.9
=
16.4
10
3.2
+
9.5
=
12.7
11
3.1
+
5.9
=
9
12
5.1
+
2.8
=
7.9
13
5.3
+
6.8
=
12.1
14
1.3
+
1.2
=
2.5
15
3.2
+
3.2
=
6.4