脱式计算:89×[34-(716-14)][12-(34-35)]÷71079÷115+29×511.-六年级数学

题目简介

脱式计算:89×[34-(716-14)][12-(34-35)]÷71079÷115+29×511.-六年级数学

题目详情

脱式计算:
8
9
×[
3
4
-(
7
16
-
1
4
)]
[
1
2
-(
3
4
-
3
5
)]÷
7
10

7
9
÷
11
5
+
2
9
×
5
11
题型:解答题难度:中档来源:不详

答案

(1)class="stub"8
9
×[class="stub"3
4
-(class="stub"7
16
-class="stub"1
4
)],
=class="stub"8
9
×(class="stub"3
4
-class="stub"3
16
),
=class="stub"8
9
×class="stub"3
4
-class="stub"8
9
×class="stub"3
16

=class="stub"2
3
-class="stub"1
6

=class="stub"1
2


(2)[class="stub"1
2
-(class="stub"3
4
-class="stub"3
5
)]÷class="stub"7
10

=(class="stub"1
2
-class="stub"3
20
)÷class="stub"7
10

=class="stub"7
20
÷class="stub"7
10

=class="stub"1
2


(3)class="stub"7
9
÷class="stub"11
5
+class="stub"2
9
×class="stub"5
11

=class="stub"7
9
×class="stub"5
11
+class="stub"2
9
×class="stub"5
11

=class="stub"5
11
×(class="stub"7
9
+class="stub"2
9
),
=class="stub"5
11
×1,
=class="stub"5
11

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