首页 > 1534×51×2925×38÷25×3834×[1÷（56+34）]831×15+1531×2379×52+29×51．-数学

1534×51×2925×38÷25×3834×[1÷（56+34）]831×15+1531×2379×52+29×51．-数学

题目简介

1534×51×2925×38÷25×3834×[1÷（56+34）]831×15+1531×2379×52+29×51．-数学

题目详情

15
34
×51×
2
9
2
5
×
3
8
÷
2
5
×
3
8
3
4
×[1÷（
5
6
+
3
4
）]
8
31
×15+
15
31
×23
7
9
×52+
2
9
×51．
题型：解答题难度：中档来源：不详

答案

（1）class="stub"15
34
×51×class="stub"2
9

=class="stub"45
2
×class="stub"2
9

=5；

（2）class="stub"2
5
×class="stub"3
8
÷class="stub"2
5
×class="stub"3
8

=class="stub"2
5
×class="stub"3
8
×class="stub"5
2
×class="stub"3
8

=class="stub"9
64
；

（3）class="stub"3
4
×[1÷（class="stub"5
6
+class="stub"3
4
）]
=class="stub"3
4
×[1÷class="stub"19
12
]
=class="stub"3
4
×class="stub"12
19

=class="stub"9
19
；

（4）class="stub"8
31
×15+class="stub"15
31
×23
=class="stub"15
31
×8+class="stub"15
31
×23
、class="stub"15
31
×（8+23）
=class="stub"15
31
×31
=15；

（5）class="stub"7
9
×52+class="stub"2
9
×51
=class="stub"7
9
+class="stub"7
9
×51+class="stub"2
9
×51
=class="stub"7
9
+（class="stub"7
9
+class="stub"2
9
）×51
=class="stub"7
9
+1×51
=class="stub"7
9
+51
=51class="stub"7
9
．

更多内容推荐

Copyright © 2018-2020 360优课网