列递等式计算,能简算的要简算.9470-104×654.49+4.84+4.51+4.1688×(511-14)[35-(34-25)]÷14[34-(56-23)]÷54920÷[12×(25+45

题目简介

列递等式计算,能简算的要简算.9470-104×654.49+4.84+4.51+4.1688×(511-14)[35-(34-25)]÷14[34-(56-23)]÷54920÷[12×(25+45

题目详情

列递等式计算,能简算的要简算.
9470-104×65
4.49+4.84+4.51+4.1688×(
5
11
-
1
4
[
3
5
-
3
4
-
2
5
)]÷
1
4
[
3
4
-(
5
6
-
2
3
)]÷
5
4
9
20
÷[
1
2
×(
2
5
+
4
5
)]
题型:解答题难度:中档来源:不详

答案

(1)9470-104×65,
=9470-6760,
=2710;

(2)4.49+4.84+4.51+4.16,
=(4.49+4.51)+(4.84+4.16),
=9+9,
=18;

(3)88×(class="stub"5
11
-class="stub"1
4
),
=88×class="stub"5
11
-class="stub"1
4
×88,
=40-22,
=18;

(4)[class="stub"3
5
-
class="stub"3
4
-class="stub"2
5
)]÷class="stub"1
4

=[class="stub"3
5
+class="stub"2
5
-class="stub"3
4
]÷class="stub"1
4

=[1-class="stub"3
4
]×4,
=class="stub"1
4
×4,
=1;

(5)[class="stub"3
4
-(class="stub"5
6
-class="stub"2
3
)]÷class="stub"5
4

=[class="stub"3
4
-class="stub"1
6
class="stub"5
4

=class="stub"1
2
×class="stub"4
5

=class="stub"2
5


(6)class="stub"9
20
÷[class="stub"1
2
×(class="stub"2
5
+class="stub"4
5
)]

=class="stub"9
20
÷[class="stub"1
2
×class="stub"6
5
],
=class="stub"9
20
÷class="stub"3
5

=class="stub"9
20
×class="stub"5
3

=class="stub"3
4

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