递等式计算.(1)713×34+34×613(2)37÷711+47÷711(3)127÷(23-14)(4)59+59÷53(5)165×12÷25(6)36×(79+56)÷295(7)18×56

题目简介

递等式计算.(1)713×34+34×613(2)37÷711+47÷711(3)127÷(23-14)(4)59+59÷53(5)165×12÷25(6)36×(79+56)÷295(7)18×56

题目详情

递等式计算.
(1)
7
13
×
3
4
+
3
4
×
6
13
(2)
3
7
÷
7
11
+
4
7
÷
7
11
(3)
12
7
÷(
2
3
-
1
4
(4)
5
9
+
5
9
÷
5
3
(5)
16
5
×
1
2
÷
2
5
(6)36×(
7
9
+
5
6
)÷
29
5
(7)
1
8
×56×
2
7
(8)7×30%(9)
1
6
×6%
(10)12×(
1
2
+
3
4
(11)4÷4%
题型:解答题难度:中档来源:不详

答案

(1)class="stub"7
13
×class="stub"3
4
+class="stub"3
4
×class="stub"6
13

=class="stub"3
4
×
class="stub"7
13
+class="stub"6
13
),
=class="stub"3
4
×
1,
=class="stub"3
4


(2)class="stub"3
7
÷class="stub"7
11
+class="stub"4
7
÷class="stub"7
11

=(class="stub"3
7
+class="stub"4
7
)×class="stub"7
11

=1×class="stub"7
11

=class="stub"7
11


(3)class="stub"12
7
÷(class="stub"2
3
-class="stub"1
4
),
=class="stub"12
7
÷class="stub"5
12

=4class="stub"4
35


(4)class="stub"5
9
+class="stub"5
9
÷class="stub"5
3

=class="stub"5
9
+class="stub"3
9

=class="stub"8
9


(5)class="stub"16
5
×class="stub"1
2
÷class="stub"2
5

=class="stub"8
5
÷class="stub"2
5

=4;

(6)36×(class="stub"7
9
+class="stub"5
6
)÷class="stub"29
5

=(36×class="stub"7
9
+36×class="stub"5
6
÷class="stub"29
5

=(28+30)÷class="stub"29
5

=58÷class="stub"29
5

=10;

(7)class="stub"1
8
×56×class="stub"2
7

=(class="stub"1
8
×
8)×(7×class="stub"2
7
),
=1×2,
=2;

(8)7×30%=2.1;

(9)class="stub"1
6
×6%=0.01;

(10)12×(class="stub"1
2
+class="stub"3
4
),
=12×class="stub"1
2
+12×class="stub"3
4

=6+9,
=15;

(11)4÷4%=100.

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