计算下列各题、能简算的要简算.145-13-5323×54÷10925-25×99100(14-120)×20710÷16÷14534×[(715-15)]÷23.-数学

题目简介

计算下列各题、能简算的要简算.145-13-5323×54÷10925-25×99100(14-120)×20710÷16÷14534×[(715-15)]÷23.-数学

题目详情

计算下列各题、能简算的要简算.
14
5
-
1
3
-
5
3
2
3
×
5
4
÷
10
9
25-25×
99
100
1
4
-
1
20
)×20
7
10
÷16÷
14
5
3
4
×[(
7
15
-
1
5
)]÷
2
3
题型:解答题难度:中档来源:不详

答案

(1)class="stub"14
5
-class="stub"1
3
-class="stub"5
3

=class="stub"14
5
-(class="stub"1
3
+class="stub"5
3
),
=2class="stub"4
5
-2,
=class="stub"4
5


(2)class="stub"2
3
×class="stub"5
4
÷class="stub"10
9

=class="stub"10
12
×class="stub"9
10

=class="stub"3
4


(3)25-25×class="stub"99
100

=25×(1-class="stub"99
100
),
=25×class="stub"1
100

=class="stub"1
4


(4)(class="stub"1
4
-class="stub"1
20
)×20
=class="stub"1
4
×20-class="stub"1
20
×20,
=5-1,
=4;

(5)class="stub"7
10
÷16÷class="stub"14
5

=class="stub"7
10
×class="stub"5
14
×class="stub"1
16

=class="stub"1
4
×class="stub"1
16

=class="stub"1
64


(6)class="stub"3
4
×(class="stub"7
15
-class="stub"1
5
÷class="stub"2
3

=class="stub"3
4
×class="stub"4
15
÷class="stub"2
3

=class="stub"1
5
×class="stub"3
2

=class="stub"3
10

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