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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−
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| (35+
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63×
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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 |
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1 |
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2 |
15 |
2 |
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1 |
4 |
2 |
15 |
2 |
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1 |
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5 |
7 |
5 |
7 |
5 |
7 |
3 |
7 |
7 |
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4 |
7 |
7 |
8 |
7 |
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2 |
9 |
1 |
9 |
3 |
7 |
7 |
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7 |
7 |
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7 |
7 |
8 |
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7 |
7 |
8 |
3 |
7 |
7 |
8 |
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7 |
7 |
8 |
7 |
9 |
1 |
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1 |
9 |
7 |
9 |
1 |
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9 |
1 |
9 |
7 |
9 |
1 |
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2 |
9 |
1 |
9 |
3 |
5 |
5 |
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5 |
9 |
5 |
12 |
4 |
9 |
5 |
12 |
3 |
5 |
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3 |
5 |
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12 |
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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 |
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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+
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.
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
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.
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