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直接写出得数715×521=0.6×53=5÷25=56+712=49÷83=0.85÷5%=16-17=240×0.5%=47×74÷47×74=12÷58÷85=

题目详情
直接写出得数
7
15
×
5
21
=		0.6×
5
3
=
5÷
2
5
=
5
6
+
7
12
=
4
9
÷
8
3
=		0.85÷5%=
1
6
-
1
7
=		240×0.5%=
4
7
×
7
4
÷
4
7
×
7
4
=		12÷
5
8
÷
8
5
=
直接写出得数
7
15
×
5
21
=		0.6×
5
3
=
5÷
2
5
=
5
6
+
7
12
=
4
9
÷
8
3
=		0.85÷5%=
1
6
-
1
7
=		240×0.5%=
4
7
×
7
4
÷
4
7
×
7
4
=		12÷
5
8
÷
8
5
=
直接写出得数
7
15
×
5
21
=		0.6×
5
3
=
5÷
2
5
=
5
6
+
7
12
=
4
9
÷
8
3
=		0.85÷5%=
1
6
-
1
7
=		240×0.5%=
4
7
×
7
4
÷
4
7
×
7
4
=		12÷
5
8
÷
8
5
=
直接写出得数
7
15
×
5
21
=0.6×
5
3
=5÷
2
5
=
5
6
+
7
12
=
4
9
÷
8
3
=0.85÷5%=
1
6
-
1
7
=240×0.5%=
4
7
×
7
4
÷
4
7
×
7
4
=12÷
5
8
÷
8
5
=直接写出得数
7
15
×
5
21
=0.6×
5
3
=直接写出得数
7
15
×
5
21
=
7
15
×
5
21
=
7
15
715771515
5
21
=
5
21
5215521210.6×
5
3
=
5
3
=
5
3
5355335÷
2
5
=
5
6
+
7
12
=5÷
2
5
=
2
5
=
2
5
252255
5
6
+
7
12
=
5
6
+
7
12
=
5
6
565566
7
12
=
7
12
712771212
4
9
÷
8
3
=0.85÷5%=
4
9
÷
8
3
=
4
9
÷
8
3
=
4
9
494499
8
3
=
8
3
8388330.85÷5%=
1
6
-
1
7
=240×0.5%=
1
6
-
1
7
=
1
6
-
1
7
=
1
6
161166
1
7
=
1
7
171177240×0.5%=
4
7
×
7
4
÷
4
7
×
7
4
=12÷
5
8
÷
8
5
=
4
7
×
7
4
÷
4
7
×
7
4
=
4
7
×
7
4
÷
4
7
×
7
4
=
4
7
474477
7
4
÷
4
7
×
7
4
=
7
4
747744
4
7
×
7
4
=
4
7
474477
7
4
=
7
4
74774412÷
5
8
÷
8
5
=
5
8
÷
8
5
=
5
8
585588
8
5
=
8
5
858855
▼优质解答
答案和解析
7
15
×
5
21
=
1
9
0.6×
5
3
=1
5÷
2
5
=
25
2
5
6
+
7
12
=
17
12
4
9
÷
8
3
=
1
6
0.85÷5%=17
1
6
-
1
7
=
1
42
240×0.5%=1.2
4
7
×
7
4
÷
4
7
×
7
4
=
49
16
12÷
5
8
÷
8
5
=12
7
15
×
5
21
=
1
9
0.6×
5
3
=15÷
2
5
=
25
2
5
6
+
7
12
=
17
12
4
9
÷
8
3
=
1
6
0.85÷5%=17
1
6
-
1
7
=
1
42
240×0.5%=1.2
4
7
×
7
4
÷
4
7
×
7
4
=
49
16
12÷
5
8
÷
8
5
=12
7
15
×
5
21
=
1
9
0.6×
5
3
=1
7
15
×
5
21
=
1
9
7
15
×
5
21
=
1
9
7
15
715777151515×
5
21
=
1
9
5
21
521555212121=
1
9
1
9
191119990.6×
5
3
=10.6×
5
3
=1
5
3
53555333=15÷
2
5
=
25
2
5
6
+
7
12
=
17
12
5÷
2
5
=
25
2
5÷
2
5
=
25
2
2
5
25222555=
25
2
25
2
252252525222
5
6
+
7
12
=
17
12
5
6
+
7
12
=
17
12
5
6
56555666+
7
12
=
17
12
7
12
712777121212=
17
12
17
12
1712171717121212
4
9
÷
8
3
=
1
6
0.85÷5%=17
4
9
÷
8
3
=
1
6
4
9
÷
8
3
=
1
6
4
9
49444999÷
8
3
=
1
6
8
3
83888333=
1
6
1
6
161116660.85÷5%=170.85÷5%=17
1
6
-
1
7
=
1
42
240×0.5%=1.2
1
6
-
1
7
=
1
42
1
6
-
1
7
=
1
42
1
6
16111666-
1
7
=
1
42
1
7
17111777=
1
42
1
42
142111424242240×0.5%=1.2240×0.5%=1.2
4
7
×
7
4
÷
4
7
×
7
4
=
49
16
12÷
5
8
÷
8
5
=12
4
7
×
7
4
÷
4
7
×
7
4
=
49
16
4
7
×
7
4
÷
4
7
×
7
4
=
49
16
4
7
47444777×
7
4
÷
4
7
×
7
4
=
49
16
7
4
74777444÷
4
7
×
7
4
=
49
16
4
7
47444777×
7
4
=
49
16
7
4
74777444=
49
16
49
16
491649494916161612÷
5
8
÷
8
5
=1212÷
5
8
÷
8
5
=12
5
8
58555888÷
8
5
=12
8
5
85888555=12
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