早教吧作业答案频道 -->数学-->
计算下面各题,能简便的用简便方法计算.3−25÷35110÷(12+15)215÷25+14(35+57)÷537÷78+47÷7879÷19−29÷1935×(20+56)59÷512+49÷51263×376213÷67+23÷67.
题目详情
3−
|
| ||||||||||||||||
| (35+
| ||||||||||||||||
|
| ||||||||||||||||
|
| ||||||||||||||||
63×
|
|
2 |
5 |
3 |
5 |
1 |
10 |
1 |
2 |
1 |
5 |
2 |
5 |
3 |
5 |
2 |
5 |
3 |
5 |
2 |
5 |
3 |
5 |
1 |
10 |
1 |
2 |
1 |
5 |
1 |
10 |
1 |
2 |
1 |
5 |
1 |
10 |
1 |
2 |
1 |
5 |
2 |
15 |
2 |
5 |
1 |
4 |
5 |
7 |
2 |
15 |
2 |
5 |
1 |
4 |
2 |
15 |
2 |
5 |
1 |
4 |
2 |
15 |
2 |
5 |
1 |
4 |
5 |
7 |
5 |
7 |
5 |
7 |
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
7 |
9 |
1 |
9 |
2 |
9 |
1 |
9 |
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
7 |
9 |
1 |
9 |
2 |
9 |
1 |
9 |
7 |
9 |
1 |
9 |
2 |
9 |
1 |
9 |
7 |
9 |
1 |
9 |
2 |
9 |
1 |
9 |
3 |
5 |
5 |
6 |
5 |
9 |
5 |
12 |
4 |
9 |
5 |
12 |
3 |
5 |
5 |
6 |
3 |
5 |
5 |
6 |
3 |
5 |
5 |
6 |
5 |
9 |
5 |
12 |
4 |
9 |
5 |
12 |
5 |
9 |
5 |
12 |
4 |
9 |
5 |
12 |
5 |
9 |
5 |
12 |
4 |
9 |
5 |
12 |
37 |
62 |
1 |
3 |
6 |
7 |
2 |
3 |
6 |
7 |
37 |
62 |
37 |
62 |
37 |
62 |
1 |
3 |
6 |
7 |
2 |
3 |
6 |
7 |
1 |
3 |
6 |
7 |
2 |
3 |
6 |
7 |
1 |
3 |
6 |
7 |
2 |
3 |
6 |
7 |
6 |
7 |
2 |
3 |
6 |
7 |
2 |
3 |
6 |
7 |
6 |
7 |
▼优质解答
答案和解析
(1)3-
÷
=3-
=2
;
(2)
÷(
+
)
=
÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
2 2 25 5 5÷
=3-
=2
;
(2)
÷(
+
)
=
÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
3 3 35 5 5
=3-
=2
;
(2)
÷(
+
)
=
÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
2 2 23 3 3
=2
;
(2)
÷(
+
)
=
÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 13 3 3;
(2)
÷(
+
)
=
÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 110 10 10÷(
+
)
=
÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 12 2 2+
)
=
÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 15 5 5)
=
÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 110 10 10÷
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
7 7 710 10 10
=
;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 17 7 7;
(3)
÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
2 2 215 15 15÷
+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
2 2 25 5 5+
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 14 4 4
=
+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 13 3 3+
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 14 4 4
=
;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
7 7 712 12 12;
(4)(35+
)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
5 5 57 7 7)÷5
=(35+
)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
5 5 57 7 7)×
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 15 5 5
=35×
+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 15 5 5+
×
=7+
=7
;
(5)
÷
+
÷
=
×
+
5 5 57 7 7×
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 15 5 5
=7+
=7
;
(5)
÷
+
÷
=
×
+
1 1 17 7 7
=7
;
(5)
÷
+
÷
=
×
+
1 1 17 7 7;
(5)
÷
+
÷
=
×
+
3 3 37 7 7÷
+
÷
=
×
+
7 7 78 8 8+
÷
=
×
+
4 4 47 7 7÷
=
×
+
7 7 78 8 8
=
×
+
3 3 37 7 7×
+
8 8 87 7 7+
举报
问题解析 问题解析
(1)先算除法,再算减法;
(2)先算加法,再算除法;
(3)先算除法,再算加法;
(4)根据乘法分配律进行简算;
(5)根据乘法分配律进行简算;
(6)根据乘法分配律进行简算;
(7)根据乘法分配律进行简算;
(8)根据乘法分配律进行简算;
(9)根据乘法分配律进行简算;
(10)根据乘法分配律进行简算. (1)先算除法,再算减法;
(2)先算加法,再算除法;
(3)先算除法,再算加法;
(4)根据乘法分配律进行简算;
(5)根据乘法分配律进行简算;
(6)根据乘法分配律进行简算;
(7)根据乘法分配律进行简算;
(8)根据乘法分配律进行简算;
(9)根据乘法分配律进行简算;
(10)根据乘法分配律进行简算.名师点评 名师点评
本题考点: 本题考点:
分数的四则混合运算;运算定律与简便运算. 分数的四则混合运算;运算定律与简便运算.
考点点评: 考点点评:
考查了运算定律与简便运算,四则混合运算.注意运算顺序和运算法则,灵活运用所学的运算定律简便计算. 考查了运算定律与简便运算,四则混合运算.注意运算顺序和运算法则,灵活运用所学的运算定律简便计算.
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 = "0";
2 |
5 |
3 |
5 |
=3-
2 |
3 |
=2
1 |
3 |
(2)
1 |
10 |
1 |
2 |
1 |
5 |
=
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
2 |
5 |
3 |
5 |
=3-
2 |
3 |
=2
1 |
3 |
(2)
1 |
10 |
1 |
2 |
1 |
5 |
=
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
3 |
5 |
=3-
2 |
3 |
=2
1 |
3 |
(2)
1 |
10 |
1 |
2 |
1 |
5 |
=
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
2 |
3 |
=2
1 |
3 |
(2)
1 |
10 |
1 |
2 |
1 |
5 |
=
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
3 |
(2)
1 |
10 |
1 |
2 |
1 |
5 |
=
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
10 |
1 |
2 |
1 |
5 |
=
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
2 |
1 |
5 |
=
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
5 |
=
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
10 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
7 |
10 |
=
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
7 |
(3)
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
2 |
15 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
2 |
5 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
4 |
=
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
3 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
4 |
=
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
7 |
12 |
(4)(35+
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
5 |
7 |
=(35+
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
5 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
5 |
=35×
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
5 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
5 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
5 |
=7+
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
7 |
=7
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
1 |
7 |
(5)
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
3 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
7 |
8 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
4 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
7 |
8 |
=
3 |
7 |
8 |
7 |
3 |
7 |
8 |
7 |
8 |
7 |
作业帮用户
2017-10-31
举报
作业帮用户作业帮用户
2017-10-312017-10-31
举报



- 问题解析
- (1)先算除法,再算减法;
(2)先算加法,再算除法;
(3)先算除法,再算加法;
(4)根据乘法分配律进行简算;
(5)根据乘法分配律进行简算;
(6)根据乘法分配律进行简算;
(7)根据乘法分配律进行简算;
(8)根据乘法分配律进行简算;
(9)根据乘法分配律进行简算;
(10)根据乘法分配律进行简算.
(2)先算加法,再算除法;
(3)先算除法,再算加法;
(4)根据乘法分配律进行简算;
(5)根据乘法分配律进行简算;
(6)根据乘法分配律进行简算;
(7)根据乘法分配律进行简算;
(8)根据乘法分配律进行简算;
(9)根据乘法分配律进行简算;
(10)根据乘法分配律进行简算.
(2)先算加法,再算除法;
(3)先算除法,再算加法;
(4)根据乘法分配律进行简算;
(5)根据乘法分配律进行简算;
(6)根据乘法分配律进行简算;
(7)根据乘法分配律进行简算;
(8)根据乘法分配律进行简算;
(9)根据乘法分配律进行简算;
(10)根据乘法分配律进行简算.
- 名师点评
-
- 本题考点:
- 分数的四则混合运算;运算定律与简便运算.
-
- 考点点评:
- 考查了运算定律与简便运算,四则混合运算.注意运算顺序和运算法则,灵活运用所学的运算定律简便计算.
- 本题考点:
- 分数的四则混合运算;运算定律与简便运算.
- 本题考点:
- 分数的四则混合运算;运算定律与简便运算.
- 考点点评:
- 考查了运算定律与简便运算,四则混合运算.注意运算顺序和运算法则,灵活运用所学的运算定律简便计算.
- 考点点评:
- 考查了运算定律与简便运算,四则混合运算.注意运算顺序和运算法则,灵活运用所学的运算定律简便计算.






看了 计算下面各题,能简便的用简便...的网友还看了以下:
直接写得数390÷30=408÷4=3.6+0.7=0÷54=902÷9≈1.5+2.6=0.9+ 2020-05-17 …
串行算法改成并行算法#include#includeusingnamespacestd;//设置全 2020-06-03 …
5.5×5分之4+3.6÷1.2-6又2分之1×0.6=?(2又6分之5-1又4分之1+3又9分之 2020-06-06 …
高压旋喷桩布桩加固旋喷桩长4米宽2.1米的矩形,桩间距600mm,我要计算根数大概是(4/0.6+ 2020-07-16 …
把下列各连化成最简整数比:(1)0.6:1..8:3.45(2)4又2分之1:3.6:0.81(3 2020-07-19 …
用因式分解法解下列方程:急(1)x²-5x+6=0(2)(3x-2)²=(x-10)²(3)(y- 2020-08-03 …
心算.0.5×5=0.18+0.82=2.1+0.6+7.9=0.6÷0.2=0.09×1000=0 2020-10-30 …
这些数学题怎么写?解方程(1)x平方+x-6=0(2)x平方-5x-6=0(3)x平方+5x+6=0 2020-10-31 …
直接写得数6.4-3.25=9.3÷0.03=3.21÷100%=0.75+14=10×45=1÷0 2020-11-19 …
直接写数对又快.3.5×4=8.2+2.08=36÷0.01=99+1÷10=6-2.4×2=4÷0 2020-11-19 …