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直接写出得数．31+1.8=37×2.8=6.24÷6=511÷512=5.6×58=3.6÷1225=12-749=23×14=67-0.5=213+156=0÷115=79÷19=3-3÷4=17×116=525-1.9-3.1=（23-16）×6=

题目详情
直接写出得数．
31+1.8=
3
7
×2.8=		 6.24÷6=
5
11
÷
5
12
=
5.6×
5
8
=		 3.6÷
12
25
=		 12-7
4
9
=
2
3
×
1
4
=
6
7
-0.5=		 2
1
3
+1
5
6
=		 0÷1
1
5
=
7
9
÷
1
9
=
3-3÷4=
1
7
×1
1
6
=		 5
2
5
-1.9-3.1=		 （
2
3
-
1
6
）×6=
31+1.8=
3
7
×2.8=		 6.24÷6=
5
11
÷
5
12
=
5.6×
5
8
=		 3.6÷
12
25
=		 12-7
4
9
=
2
3
×
1
4
=
6
7
-0.5=		 2
1
3
+1
5
6
=		 0÷1
1
5
=
7
9
÷
1
9
=
3-3÷4=
1
7
×1
1
6
=		 5
2
5
-1.9-3.1=		 （
2
3
-
1
6
）×6=
31+1.8=
3
7
×2.8= 6.24÷6=
5
11
÷
5
12
=31+1.8=
3
7
×2.8=
3
7
×2.8=
3
7
33776.24÷6=
5
11
÷
5
12
=
5
11
÷
5
12
=
5
11
551111
5
12
=
5
12
551212 5.6×
5
8
= 3.6÷
12
25
= 12-7
4
9
=
2
3
×
1
4
=5.6×
5
8
=
5
8
=
5
8
55883.6÷
12
25
=
12
25
=
12
25
1212252512-7
4
9
=7
4
9
=
4
9
4499
2
3
×
1
4
=
2
3
×
1
4
=
2
3
2233
1
4
=
1
4
1144
6
7
-0.5= 2
1
3
+1
5
6
= 0÷1
1
5
=
7
9
÷
1
9
=
6
7
-0.5=
6
7
-0.5=
6
7
66772
1
3
+1
5
6
=2
1
3
+1
5
6
=
1
3
11331
5
6
=
5
6
55660÷1
1
5
=1
1
5
=
1
5
1155
7
9
÷
1
9
=
7
9
÷
1
9
=
7
9
7799
1
9
=
1
9
1199 3-3÷4=
1
7
×1
1
6
= 5
2
5
-1.9-3.1= （
2
3
-
1
6
）×6=3-3÷4=
1
7
×1
1
6
=
1
7
×1
1
6
=
1
7
11771
1
6
=
1
6
11665
2
5
-1.9-3.1=5
2
5
-1.9-3.1=
2
5
2255（
2
3
-
1
6
）×6=
2
3
-
1
6
）×6=
2
3
2233
1
6
）×6=
1
6
1166
▼优质解答
答案和解析
31+1.8=32.8
3
7
×2.8=1.2		 6.24÷6=1.04
5
11
÷
5
12
=
12
11
5.6×
5
8
=3.5		 3.6÷
12
25
=7.5		 12-7
4
9
=4
5
9
2
3
×
1
4
=
1
6
6
7
-0.5=
5
14
 2
1
3
+1
5
6
=4
1
6
 0÷1
1
5
=0
7
9
÷
1
9
=7
3-3÷4=2.25
1
7
×1
1
6
=
1
6
 5
2
5
-1.9-3.1=
2
5
 （
2
3
-
1
6
）×6=3
31+1.8=32.8
3
7
×2.8=1.2 6.24÷6=1.04
5
11
÷
5
12
=
12
11
 31+1.8=32.831+1.8=32.8
3
7
×2.8=1.2
3
7
×2.8=1.2
3
7
333777×2.8=1.2 6.24÷6=1.046.24÷6=1.04
5
11
÷
5
12
=
12
11
5
11
÷
5
12
=
12
11
5
11
555111111÷
5
12
=
12
11
5
12
555121212=
12
11
12
11
121212111111 5.6×
5
8
=3.5 3.6÷
12
25
=7.5 12-7
4
9
=4
5
9
2
3
×
1
4
=
1
6
 5.6×
5
8
=3.55.6×
5
8
=3.5
5
8
555888=3.5 3.6÷
12
25
=7.53.6÷
12
25
=7.5
12
25
121212252525=7.5 12-7
4
9
=4
5
9
12-7
4
9
=4
5
9
7
4
9
444999=4
5
9
5
9
555999
2
3
×
1
4
=
1
6
2
3
×
1
4
=
1
6
2
3
222333×
1
4
=
1
6
1
4
111444=
1
6
1
6
111666
6
7
-0.5=
5
14
 2
1
3
+1
5
6
=4
1
6
 0÷1
1
5
=0
7
9
÷
1
9
=7
6
7
-0.5=
5
14
6
7
-0.5=
5
14
6
7
666777-0.5=
5
14
5
14
555141414 2
1
3
+1
5
6
=4
1
6
2
1
3
+1
5
6
=4
1
6
2
1
3
111333+1
5
6
=4
1
6
1
5
6
555666=4
1
6
1
6
111666 0÷1
1
5
=00÷1
1
5
=01
1
5
111555=0
7
9
÷
1
9
=7
7
9
÷
1
9
=7
7
9
777999÷
1
9
=7
1
9
111999=7 3-3÷4=2.25
1
7
×1
1
6
=
1
6
 5
2
5
-1.9-3.1=
2
5
 （
2
3
-
1
6
）×6=3 3-3÷4=2.253-3÷4=2.25
1
7
×1
1
6
=
1
6
1
7
×1
1
6
=
1
6
1
7
111777×1
1
6
=
1
6
1
1
6
111666=
1
6
1
6
111666 5
2
5
-1.9-3.1=
2
5
5
2
5
-1.9-3.1=
2
5
5
2
5
222555-1.9-3.1=
2
5
2
5
222555 （
2
3
-
1
6
）×6=3（
2
3
-
1
6
）×6=3
2
3
222333-
1
6
）×6=3
1
6
111666）×6=3
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