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直接写得数：480÷6=85-27=300×6=537÷3=30×7=421×2=639÷3=721×5=27+47=58-28=16+56=89-69=71×4≈408÷5≈92÷3≈59×4≈

题目详情
直接写得数：
480÷6=85-27=300×6=537÷3=
30×7=421×2=639÷3=721×5=
2
7
+
4
7
=
5
8
-
2
8
=
1
6
+
5
6
=
8
9
-
6
9
=
71×4≈408÷5≈92÷3≈59×4≈
直接写得数：
480÷6=85-27=300×6=537÷3=
30×7=421×2=639÷3=721×5=
2
7
+
4
7
=
5
8
-
2
8
=
1
6
+
5
6
=
8
9
-
6
9
=
71×4≈408÷5≈92÷3≈59×4≈

480÷6=85-27=300×6=537÷3=
30×7=421×2=639÷3=721×5=
2
7
+
4
7
=
5
8
-
2
8
=
1
6
+
5
6
=
8
9
-
6
9
=
71×4≈408÷5≈92÷3≈59×4≈
480÷6=85-27=300×6=537÷3=30×7=421×2=639÷3=721×5=
2
7
+
4
7
=
5
8
-
2
8
=
1
6
+
5
6
=
8
9
-
6
9
=71×4≈408÷5≈92÷3≈59×4≈480÷6=85-27=300×6=537÷3=480÷6=85-27=300×6=537÷3=30×7=421×2=639÷3=721×5=30×7=421×2=639÷3=721×5=
2
7
+
4
7
=
5
8
-
2
8
=
1
6
+
5
6
=
8
9
-
6
9
=
2
7
+
4
7
=
2
7
+
4
7
=
2
7
272277
4
7
=
4
7
474477
5
8
-
2
8
=
5
8
-
2
8
=
5
8
585588
2
8
=
2
8
282288
1
6
+
5
6
=
1
6
+
5
6
=
1
6
161166
5
6
=
5
6
565566
8
9
-
6
9
=
8
9
-
6
9
=
8
9
898899
6
9
=
6
9
69669971×4≈408÷5≈92÷3≈59×4≈71×4≈408÷5≈92÷3≈59×4≈
▼优质解答
答案和解析
480÷6=8085-27=58300×6=1800537÷3=179
30×7=210421×2=842639÷3=213721×5=3605
2
7
+
4
7
=
6
7
5
8
-
2
8
=
3
8
1
6
+
5
6
=1
8
9
-
6
9
=
2
9
71×4≈280408÷5≈8092÷3≈3059×4≈240
480÷6=8085-27=58300×6=1800537÷3=17930×7=210421×2=842639÷3=213721×5=3605
2
7
+
4
7
=
6
7
5
8
-
2
8
=
3
8
1
6
+
5
6
=1
8
9
-
6
9
=
2
9
71×4≈280408÷5≈8092÷3≈3059×4≈240480÷6=8085-27=58300×6=1800537÷3=179480÷6=80480÷6=8085-27=5885-27=58300×6=1800300×6=1800537÷3=179537÷3=17930×7=210421×2=842639÷3=213721×5=360530×7=21030×7=210421×2=842421×2=842639÷3=213639÷3=213721×5=3605721×5=3605
2
7
+
4
7
=
6
7
5
8
-
2
8
=
3
8
1
6
+
5
6
=1
8
9
-
6
9
=
2
9
2
7
+
4
7
=
6
7
2
7
+
4
7
=
6
7
2
7
27222777+
4
7
=
6
7
4
7
47444777=
6
7
6
7
67666777
5
8
-
2
8
=
3
8
5
8
-
2
8
=
3
8
5
8
58555888-
2
8
=
3
8
2
8
28222888=
3
8
3
8
38333888
1
6
+
5
6
=1
1
6
+
5
6
=1
1
6
16111666+
5
6
=1
5
6
56555666=1
8
9
-
6
9
=
2
9
8
9
-
6
9
=
2
9
8
9
89888999-
6
9
=
2
9
6
9
69666999=
2
9
2
9
2922299971×4≈280408÷5≈8092÷3≈3059×4≈24071×4≈28071×4≈280408÷5≈80408÷5≈8092÷3≈3092÷3≈3059×4≈24059×4≈240
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