脱式计算.205×68-8960(2808÷26-10.8)×2.5225-225÷135×112+12323÷[125×(0.5+13)].-数学

题目简介

脱式计算.205×68-8960(2808÷26-10.8)×2.5225-225÷135×112+12323÷[125×(0.5+13)].-数学

题目详情

脱式计算.
205×68-8960
(2808÷26-10.8)×2.5
2
2
5
-2
2
5
÷1
3
5
×1
1
2
+1
2
3

2
3
÷[1
2
5
×(0.5+
1
3
)].
题型:解答题难度:中档来源:不详

答案

(1)205×68-8960,
=13940-8960,
=4980;

(2)(2808÷26-10.8)×2.5,
=(108-10.8)×2.5,
=97.2×2.5,
=243;

(3)2class="stub"2
5
-2class="stub"2
5
÷1class="stub"3
5
×1class="stub"1
2
+1class="stub"2
3

=2class="stub"2
5
-class="stub"3
2
×1class="stub"1
2
+1class="stub"2
3

=2class="stub"2
5
-class="stub"9
4
+1class="stub"2
3

=class="stub"3
20
+1class="stub"2
3

=1class="stub"49
60


(4)class="stub"2
3
÷[1class="stub"2
5
×(0.5+class="stub"1
3
)],
=class="stub"2
3
÷[1class="stub"2
5
×class="stub"5
6
],
=class="stub"2
3
÷class="stub"7
6

=class="stub"4
7

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