早教吧作业答案频道 -->其他-->
(1)0.28÷715(2)5.6−223(3)116×0.54(4)334−(216−14)(5)3.6−327+525(6)1919−238−2.625.
题目详情
(1)0.28÷
| (2)5.6−2
| (3)1
| ||||||||||||||
(4)3
| (5)3.6−3
| (6)19
|
(1)0.28÷
| (2)5.6−2
| (3)1
| ||||||||||||||
(4)3
| (5)3.6−3
| (6)19
|
7 |
15 |
2 |
3 |
1 |
6 |
7 |
15 |
7 |
15 |
7 |
15 |
2 |
3 |
2 |
3 |
2 |
3 |
1 |
6 |
1 |
6 |
1 |
6 |
3 |
4 |
1 |
6 |
1 |
4 |
2 |
7 |
2 |
5 |
1 |
9 |
3 |
8 |
3 |
4 |
1 |
6 |
1 |
4 |
3 |
4 |
1 |
6 |
1 |
4 |
3 |
4 |
1 |
6 |
1 |
4 |
2 |
7 |
2 |
5 |
2 |
7 |
2 |
5 |
2 |
7 |
2 |
5 |
1 |
9 |
3 |
8 |
1 |
9 |
3 |
8 |
1 |
9 |
3 |
8 |
▼优质解答
答案和解析
(1)0.28÷
,
=
÷
,
=
×
,
=
;
(2)5.6−2
,
=5
-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
0.28÷
7 7 715 15 15,
=
÷
,
=
×
,
=
;
(2)5.6−2
,
=5
-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
7 7 725 25 25÷
,
=
×
,
=
;
(2)5.6−2
,
=5
-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
7 7 715 15 15,
=
×
,
=
;
(2)5.6−2
,
=5
-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
7 7 725 25 25×
,
=
;
(2)5.6−2
,
=5
-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
15 15 157 7 7,
=
;
(2)5.6−2
,
=5
-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
3 3 35 5 5;
(2)5.6−2
,
=5
-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
5.6−2
2 2 23 3 3,
=5
-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
3 3 35 5 5-2
,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
2 2 23 3 3,
=5
-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
5
9 9 915 15 15-2
,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
10 10 1015 15 15,
=2
;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
14 14 1415 15 15;
(3)1
×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
1
1 1 16 6 6×0.54,
=
×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
7 7 76 6 6×0.54,
=0.63;
(4)3
−(2
−
),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
3
3 3 34 4 4−(2
1 1 16 6 6−
1 1 14 4 4),
=3
-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
3 3 34 4 4-2
+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
1 1 16 6 6+
,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
1 1 14 4 4,
=3
+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
3 3 34 4 4+
-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
1 1 14 4 4-2
,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
1 1 16 6 6,
=1
;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
5 5 56 6 6;
(5)3.6−3
+5
,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
3.6−3
2 2 27 7 7+5
2 2 25 5 5,
=3.6+5
-3
,
=5
;
(6)19
−2
−2.625,
=19
2 2 25 5 5-3
,
=5
;
(6)19
−2
−2.625,
=19
2 2 27 7 7,
=5
;
(6)19
−2
−2.625,
=19
5 5 57 7 7;
(6)19
−2
−2.625,
=19
19
1 1 19 9 9−2
3 3 38 8 8−2.625,
=19
举报
问题解析 问题解析
(1)先把被除数化成假分数,再根据分数除法的计算法则:除以一个不为0的数,就等于乘这个数的倒数;
(2)把5.6化为带分数,然后通分,进而得出结论;
(3)把带分数化为假分数,然后根据分数乘小数的计算方法解答;
(4)去括号,然后先计算3
+
,然后减去2
即可;
(5)可以进行简算:先算3.6+5
,然后减去3
即可;
(6)运用减法的性质,进行简算即可. (1)先把被除数化成假分数,再根据分数除法的计算法则:除以一个不为0的数,就等于乘这个数的倒数;
(2)把5.6化为带分数,然后通分,进而得出结论;
(3)把带分数化为假分数,然后根据分数乘小数的计算方法解答;
(4)去括号,然后先计算3
+
,然后减去2
即可;
(5)可以进行简算:先算3.6+5
,然后减去3
即可;
(6)运用减法的性质,进行简算即可.
3 3 34 4 4+
,然后减去2
即可;
(5)可以进行简算:先算3.6+5
,然后减去3
即可;
(6)运用减法的性质,进行简算即可.
1 1 14 4 4,然后减去2
即可;
(5)可以进行简算:先算3.6+5
,然后减去3
即可;
(6)运用减法的性质,进行简算即可.
1 1 16 6 6即可;
(5)可以进行简算:先算3.6+5
,然后减去3
即可;
(6)运用减法的性质,进行简算即可.
2 2 25 5 5,然后减去3
即可;
(6)运用减法的性质,进行简算即可.
2 2 27 7 7即可;
(6)运用减法的性质,进行简算即可.名师点评 名师点评
本题考点: 本题考点:
分数除法;分数的加法和减法. 分数除法;分数的加法和减法.
考点点评: 考点点评:
此题考查了分数、小数四则混合运算,应熟练掌握运算的方法,灵活运用一些运算定律使计算简便. 此题考查了分数、小数四则混合运算,应熟练掌握运算的方法,灵活运用一些运算定律使计算简便.
扫描下载二维码
扫描下载二维码
©2019 作业帮 联系方式:service@zuoyebang.com
作业帮协议作业帮协议

var userCity = "\u4e50\u5c71",
userProvince = "\u56db\u5ddd",
zuowenSmall = "3";
7 |
15 |
=
7 |
25 |
7 |
15 |
=
7 |
25 |
15 |
7 |
=
3 |
5 |
(2)5.6−2
2 |
3 |
=5
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
7 |
15 |
=
7 |
25 |
7 |
15 |
=
7 |
25 |
15 |
7 |
=
3 |
5 |
(2)5.6−2
2 |
3 |
=5
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
7 |
25 |
7 |
15 |
=
7 |
25 |
15 |
7 |
=
3 |
5 |
(2)5.6−2
2 |
3 |
=5
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
7 |
15 |
=
7 |
25 |
15 |
7 |
=
3 |
5 |
(2)5.6−2
2 |
3 |
=5
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
7 |
25 |
15 |
7 |
=
3 |
5 |
(2)5.6−2
2 |
3 |
=5
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
15 |
7 |
=
3 |
5 |
(2)5.6−2
2 |
3 |
=5
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
3 |
5 |
(2)5.6−2
2 |
3 |
=5
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
2 |
3 |
=5
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
3 |
5 |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
2 |
3 |
=5
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
9 |
15 |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
10 |
15 |
=2
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
14 |
15 |
(3)1
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
1 |
6 |
=
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
7 |
6 |
=0.63;
(4)3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
3 |
4 |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
1 |
6 |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
1 |
4 |
=3
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
3 |
4 |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
1 |
4 |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
1 |
6 |
=1
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
5 |
6 |
(5)3.6−3
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
2 |
7 |
2 |
5 |
=3.6+5
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
2 |
5 |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
2 |
7 |
=5
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
5 |
7 |
(6)19
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
1 |
9 |
3 |
8 |
=19
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
作业帮用户
2017-10-03
举报
![]()
![]() ![]() |
作业帮用户
2017-10-03
举报

- 问题解析
- (1)先把被除数化成假分数,再根据分数除法的计算法则:除以一个不为0的数,就等于乘这个数的倒数;
(2)把5.6化为带分数,然后通分,进而得出结论;
(3)把带分数化为假分数,然后根据分数乘小数的计算方法解答;
(4)去括号,然后先计算3
+3 4
,然后减去21 4
即可;1 6
(5)可以进行简算:先算3.6+5
,然后减去32 5
即可;2 7
(6)运用减法的性质,进行简算即可.
- 名师点评
-
- 本题考点:
- 分数除法;分数的加法和减法.
-
- 考点点评:
- 此题考查了分数、小数四则混合运算,应熟练掌握运算的方法,灵活运用一些运算定律使计算简便.


作业帮用户
2017-10-03
举报

- 问题解析
- (1)先把被除数化成假分数,再根据分数除法的计算法则:除以一个不为0的数,就等于乘这个数的倒数;
(2)把5.6化为带分数,然后通分,进而得出结论;
(3)把带分数化为假分数,然后根据分数乘小数的计算方法解答;
(4)去括号,然后先计算3
+3 4
,然后减去21 4
即可;1 6
(5)可以进行简算:先算3.6+5
,然后减去32 5
即可;2 7
(6)运用减法的性质,进行简算即可.
- 名师点评
-
- 本题考点:
- 分数除法;分数的加法和减法.
-
- 考点点评:
- 此题考查了分数、小数四则混合运算,应熟练掌握运算的方法,灵活运用一些运算定律使计算简便.


作业帮用户
2017-10-03
举报
作业帮用户作业帮用户
2017-10-032017-10-03
举报



- 问题解析
- (1)先把被除数化成假分数,再根据分数除法的计算法则:除以一个不为0的数,就等于乘这个数的倒数;
(2)把5.6化为带分数,然后通分,进而得出结论;
(3)把带分数化为假分数,然后根据分数乘小数的计算方法解答;
(4)去括号,然后先计算3
+3 4
,然后减去21 4
即可;1 6
(5)可以进行简算:先算3.6+5
,然后减去32 5
即可;2 7
(6)运用减法的性质,进行简算即可.
(2)把5.6化为带分数,然后通分,进而得出结论;
(3)把带分数化为假分数,然后根据分数乘小数的计算方法解答;
(4)去括号,然后先计算3
3 |
4 |
1 |
4 |
1 |
6 |
(5)可以进行简算:先算3.6+5
2 |
5 |
2 |
7 |
(6)运用减法的性质,进行简算即可.
(2)把5.6化为带分数,然后通分,进而得出结论;
(3)把带分数化为假分数,然后根据分数乘小数的计算方法解答;
(4)去括号,然后先计算3
3 |
4 |
1 |
4 |
1 |
6 |
(5)可以进行简算:先算3.6+5
2 |
5 |
2 |
7 |
(6)运用减法的性质,进行简算即可.
3 |
4 |
1 |
4 |
1 |
6 |
(5)可以进行简算:先算3.6+5
2 |
5 |
2 |
7 |
(6)运用减法的性质,进行简算即可.
1 |
4 |
1 |
6 |
(5)可以进行简算:先算3.6+5
2 |
5 |
2 |
7 |
(6)运用减法的性质,进行简算即可.
1 |
6 |
(5)可以进行简算:先算3.6+5
2 |
5 |
2 |
7 |
(6)运用减法的性质,进行简算即可.
2 |
5 |
2 |
7 |
(6)运用减法的性质,进行简算即可.
2 |
7 |
(6)运用减法的性质,进行简算即可.
- 名师点评
-
- 本题考点:
- 分数除法;分数的加法和减法.
-
- 考点点评:
- 此题考查了分数、小数四则混合运算,应熟练掌握运算的方法,灵活运用一些运算定律使计算简便.
- 本题考点:
- 分数除法;分数的加法和减法.
- 本题考点:
- 分数除法;分数的加法和减法.
- 考点点评:
- 此题考查了分数、小数四则混合运算,应熟练掌握运算的方法,灵活运用一些运算定律使计算简便.
- 考点点评:
- 此题考查了分数、小数四则混合运算,应熟练掌握运算的方法,灵活运用一些运算定律使计算简便.






看了 (1)0.28÷715(2)...的网友还看了以下:
直接写得数.0.2-1/6=525-176=45-0.5=5400÷90=36÷4/9=0.15: 2020-04-07 …
直接写得数.0.2-1/6=525-176=45-0.5=5400÷90=36÷4/9=0.15: 2020-04-07 …
r²=(r-1.8)²+(15/2)²怎么计算r²=(r-1.8)²+(15/2)²r=16.52 2020-04-07 …
用递等式计算5512-(178÷412+34×115)1012÷[(3.5+2.8)×17]3÷7 2020-04-07 …
1.687÷687687/689注意是687除以687又689分之687/代替分数线1/3就是三分 2020-04-07 …
口算.22×4=49÷1=525÷5=127+373=15-5×2=4×25=1×56=369÷3 2020-05-17 …
直接写得数.3.6+5.4650-1000.008×100070÷0.012.8×0.525÷14 2020-07-18 …
递等式计算(写出必要的计算过程,能巧算的要巧算):2700÷540.65+71.8+8.35+9. 2020-07-18 …
125.8+225.8+325.8+425.8+525.8+625.8等于几脱式计算简便计125. 2020-07-19 …
脱式计算.(820-761)×90592÷8×32775-525÷5142+58×23. 2020-07-22 …