怎样算简便就怎样算.56×65-910÷954-511-71118×58+18×41+1845×47×54-1245×56+25÷3545÷[(58-12)÷58].-数学

题目简介

怎样算简便就怎样算.56×65-910÷954-511-71118×58+18×41+1845×47×54-1245×56+25÷3545÷[(58-12)÷58].-数学

题目详情

怎样算简便就怎样算.
5
6
×
6
5
-
9
10
÷
9
5
4-
5
11
-
7
11
1
8
×58+
1
8
×41+
1
8
4
5
×
4
7
×
5
4
-
1
2
4
5
×
5
6
+
2
5
÷
3
5
4
5
÷[(
5
8
-
1
2
)÷
5
8
].
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
6
×class="stub"6
5
-class="stub"9
10
÷class="stub"9
5

=1-class="stub"1
2

=class="stub"1
2

(2)4-class="stub"5
11
-class="stub"7
11

=4-(class="stub"5
11
+class="stub"7
11
),
=2class="stub"10
11

(3)class="stub"1
8
×58+class="stub"1
8
×41+class="stub"1
8

=class="stub"1
8
×(58+41+1),
=class="stub"1
8
×100,
=12.5;
(4)class="stub"4
5
×class="stub"4
7
×class="stub"5
4
-class="stub"1
2

=class="stub"4
7
-class="stub"1
2

=class="stub"1
14

(5)class="stub"4
5
×class="stub"5
6
+class="stub"2
5
÷class="stub"3
5

=class="stub"2
3
+class="stub"2
3

=class="stub"4
3

(6)class="stub"4
5
÷[(class="stub"5
8
-class="stub"1
2
)÷class="stub"5
8
],
=class="stub"4
5
÷[class="stub"1
8
×class="stub"8
5
],
=class="stub"4
5
×5,
=4.

更多内容推荐