下面各题,怎样简便怎样算.53÷10÷13624×(56-38)(23+0.25)÷1118417+417×161-79÷7815×8÷45-六年级数学

题目简介

下面各题,怎样简便怎样算.53÷10÷13624×(56-38)(23+0.25)÷1118417+417×161-79÷7815×8÷45-六年级数学

题目详情

下面各题,怎样简便怎样算.
5
3
÷10÷
1
36
24×(
5
6
-
3
8
2
3
+0.25)÷
11
18
4
17
+
4
17
×16
1-
7
9
÷
7
8
1
5
×8÷
4
5
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
3
÷10÷class="stub"1
36

=class="stub"1
6
÷class="stub"1
36

=6;

(2)24×(class="stub"5
6
-class="stub"3
8

=24×class="stub"5
6
-24×class="stub"3
8

=20-9
=11;

(3)(class="stub"2
3
+0.25)÷class="stub"11
18

=(class="stub"2
3
+0.25)×class="stub"18
11

=class="stub"2
3
×class="stub"18
11
+0.25×class="stub"18
11

=class="stub"12
11
+class="stub"9
22

=class="stub"3
2


(4)class="stub"4
17
+class="stub"4
17
×16
=class="stub"4
17
×(1+16)
=class="stub"4
17
×17
=4;

(5)1-class="stub"7
9
÷class="stub"7
8

=1-class="stub"8
9

=class="stub"1
9


(6)class="stub"1
5
×8÷class="stub"4
5

=class="stub"8
5
÷class="stub"4
5

=2.

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