递等式计算.(1)7000÷25-28×6(2)(289-179)÷(275÷25)(3)18+38+28(4)1011-711-111(5)314+514-414(6)1225-425+925(7)

题目简介

递等式计算.(1)7000÷25-28×6(2)(289-179)÷(275÷25)(3)18+38+28(4)1011-711-111(5)314+514-414(6)1225-425+925(7)

题目详情

递等式计算.
(1)7000÷25-28×6
(2)(289-179)÷(275÷25)
(3)
1
8
+
3
8
+
2
8
(4)
10
11
-
7
11
-
1
11
(5)
3
14
+
5
14
-
4
14
(6)
12
25
-
4
25
+
9
25
(7)
7
9
+
2
9
-
31
74
(8)
5
14
-
7
14
+
6
14
题型:解答题难度:中档来源:不详

答案

(1)7000÷25-28×6,
=280-168,
=112;

(2)(289-179)÷(275÷25),
=110÷11,
=10;

(3)class="stub"1
8
+class="stub"3
8
+class="stub"2
8

=class="stub"4
8
+class="stub"2
8

=class="stub"6
8

=class="stub"3
4


(4)class="stub"10
11
-class="stub"7
11
-class="stub"1
11

=class="stub"3
11
-class="stub"1
11

=class="stub"2
11


(5)class="stub"3
14
+class="stub"5
14
-class="stub"4
14

=class="stub"8
14
-class="stub"4
14

=class="stub"4
14

=class="stub"2
7


(6)class="stub"12
25
-class="stub"4
25
+class="stub"9
25

=class="stub"8
25
+class="stub"9
25

=class="stub"17
25


(7)class="stub"7
9
+class="stub"2
9
-class="stub"31
74

=1-class="stub"31
74

=class="stub"43
74


(8)class="stub"5
14
-class="stub"7
14
+class="stub"6
14

=class="stub"5
14
+class="stub"6
14
-class="stub"7
14

=class="stub"11
14
-class="stub"7
14

=class="stub"4
14

=class="stub"2
7

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