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소숫점: 1자리 덧셈10

1
1.5
+
1.7
=
3.2
2
7.3
+
7.7
=
15
3
2.1
+
9.1
=
11.2
4
2.6
+
5.2
=
7.8
5
7.3
+
6.1
=
13.4
6
5.2
+
4.8
=
10
7
4.4
+
8.7
=
13.1
8
5.5
+
6.5
=
12
9
6.2
+
5.8
=
12
10
2.2
+
3.2
=
5.4
11
9.5
+
7.2
=
16.7
12
3.6
+
9.4
=
13
13
4.8
+
2.3
=
7.1
14
4.5
+
1.5
=
6
15
5.3
+
5.1
=
10.4