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소숫점: 1자리 덧셈17

1
1.7
+
4.6
=
6.3
2
4.3
+
5.1
=
9.4
3
7.4
+
5.4
=
12.8
4
2.1
+
2.6
=
4.7
5
1.7
+
3.6
=
5.3
6
9.2
+
1.1
=
10.3
7
2.5
+
2.8
=
5.3
8
5.5
+
3.5
=
9
9
1.9
+
2.1
=
4
10
6.9
+
2.5
=
9.4
11
6.5
+
6.3
=
12.8
12
9.9
+
5.1
=
15
13
7.6
+
1.4
=
9
14
6.1
+
8.2
=
14.3
15
4.6
+
7.3
=
11.9