怎样算简便就怎样算.30-1.6÷4556×(1-34)35×3+2514×115+13×141-57×2125813÷4×5679÷13÷149514÷421×0.64.-六年级数学

题目简介

怎样算简便就怎样算.30-1.6÷4556×(1-34)35×3+2514×115+13×141-57×2125813÷4×5679÷13÷149514÷421×0.64.-六年级数学

题目详情

怎样算简便就怎样算.
30-1.6÷
4
5
5
6
×(1-
3
4
)
3
5
×3+
2
5
1
4
×
1
15
+
1
3
×
1
4
1-
5
7
×
21
25
8
13
÷4×
5
6
7
9
÷
1
3
÷
14
9
5
14
÷
4
21
×0.64.
题型:解答题难度:中档来源:不详

答案

(1)30-1.6÷class="stub"4
5

=30-2
=28;

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

=class="stub"5
6
×class="stub"1
4

=class="stub"5
24


(3)class="stub"3
5
×3+class="stub"2
5

=class="stub"9
5
+class="stub"2
5

=class="stub"11
5


(4)class="stub"1
4
×class="stub"1
15
+class="stub"1
3
×class="stub"1
4

=class="stub"1
4
×(class="stub"1
15
+class="stub"1
3
)

=class="stub"1
4
×class="stub"2
5

=class="stub"1
10


(5)1-class="stub"5
7
×class="stub"21
25

=1-class="stub"3
5

=class="stub"2
5


(6)class="stub"8
13
÷4×class="stub"5
6

=class="stub"2
13
×class="stub"5
6

=class="stub"5
39


(7)class="stub"7
9
÷class="stub"1
3
÷class="stub"14
9

=class="stub"7
3
÷class="stub"14
9

=class="stub"3
2


(8)class="stub"5
14
÷class="stub"4
21
×0.64
=class="stub"15
8
×0.64
=1.2.

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