3-89÷56×316(1-14×89)÷7934×[1÷(56+34)](1-17)×(116×143)16÷917×(34+23)23÷(34-12)×45.-数学

题目简介

3-89÷56×316(1-14×89)÷7934×[1÷(56+34)](1-17)×(116×143)16÷917×(34+23)23÷(34-12)×45.-数学

题目详情

3-
8
9
÷
5
6
×
3
16
(1-
1
4
×
8
9
)÷
7
9
3
4
×[1÷(
5
6
+
3
4
)]
(1-
1
7
)×(
1
16
×
14
3
1
6
÷
9
17
×(
3
4
+
2
3
2
3
÷(
3
4
-
1
2
)×
4
5
题型:解答题难度:中档来源:不详

答案


(1)3-class="stub"8
9
÷class="stub"5
6
×class="stub"3
16

=3-class="stub"16
15
×class="stub"3
16

=3-class="stub"1
5

=2class="stub"4
5


(2)(1-class="stub"1
4
×class="stub"8
9
)÷class="stub"7
9

=(1-class="stub"2
9
)÷class="stub"7
9

=class="stub"7
9
÷class="stub"7
9

=1;

(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)(1-class="stub"1
7
)×(class="stub"1
16
×class="stub"14
3
),
=class="stub"6
7
×class="stub"7
24

=class="stub"1
4


(5)class="stub"1
6
÷class="stub"9
17
×(class="stub"3
4
+class="stub"2
3
),
=class="stub"17
54
×class="stub"17
12

=class="stub"289
648


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

=class="stub"2
3
÷class="stub"1
4
×class="stub"4
5

=class="stub"8
3
×class="stub"4
5

=class="stub"32
15

更多内容推荐