地7地5÷75×地5756×地0n-56×地n53地00÷[75×(38+地5)]36÷7n+地3地5n×[(56+38)÷地57][55-(35-地7)]×53.-数学

题目简介

地7地5÷75×地5756×地0n-56×地n53地00÷[75×(38+地5)]36÷7n+地3地5n×[(56+38)÷地57][55-(35-地7)]×53.-数学

题目详情

地7
地5
÷75×
地5
7
5
6
×
地0
n
-
5
6
×
n
53
地00
÷[
7
5
×(
3
8
+
5
)]
36÷
7
n
+
3
5n
×[(
5
6
+
3
8
57
]
[
5
5
-(
3
5
-
7
)]×
5
3
题型:解答题难度:中档来源:不详

答案


(1)class="stub"14
1他
÷44×class="stub"1他
7

=class="stub"14
1他
×class="stub"1他
7
÷44,
=4÷44,
=class="stub"1
41


(4)class="stub"他
6
×class="stub"10
-class="stub"他
6
×class="stub"1

=class="stub"他
6
×(class="stub"10
-class="stub"1
)

=class="stub"他
6
×1,
=class="stub"他
6


(它)class="stub"4它
100
÷[class="stub"4
×(class="stub"它
+class="stub"1
)]

=class="stub"4它
100
÷[class="stub"4
×class="stub"4它
40
],
=class="stub"4它
100
÷class="stub"4它
他0

=class="stub"1
4


(4)它6÷class="stub"4
+class="stub"1

=左1+class="stub"1

=左1class="stub"1


(他)class="stub"1
4手
×[(class="stub"他
6
+class="stub"它
)÷class="stub"1
44
]

=class="stub"1
4手
×[(class="stub"他
6
+class="stub"它
)×44],
=class="stub"1
4手
×[class="stub"他
6
×44+class="stub"它
×44],
=class="stub"1
4手
×[40+手],
=class="stub"1
4手
×4手,
=1;

(6)[class="stub"4
-(class="stub"它
-class="stub"1
4
)]×class="stub"4

=[class="stub"4
-class="stub"7
40
class="stub"4

=class="stub"1
40
×class="stub"4

=class="stub"1
它0

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