计算下列各题,能简算的要简算.(1-1415)×49÷51830×(115+45+13)14×35+25÷4316÷0.375×45.-六年级数学

题目简介

计算下列各题,能简算的要简算.(1-1415)×49÷51830×(115+45+13)14×35+25÷4316÷0.375×45.-六年级数学

题目详情

计算下列各题,能简算的要简算.
(1-
14
15
)×
4
9
÷
5
18
30×(
1
15
+
4
5
+
1
3
1
4
×
3
5
+
2
5
÷4
3
16
÷0.375×
4
5
题型:解答题难度:中档来源:不详

答案

(1)(1-class="stub"14
15
)×class="stub"4
9
÷class="stub"5
18

=class="stub"1
15
×class="stub"4
9
÷class="stub"5
18

=class="stub"1
15
×class="stub"4
9
×class="stub"18
5

=class="stub"1
15
×(class="stub"4
9
×class="stub"18
5
),
=class="stub"1
15
×class="stub"8
5

=class="stub"8
75


(2)30×(class="stub"1
15
+class="stub"4
5
+class="stub"1
3
),
=30×class="stub"1
15
+30×class="stub"4
5
+30×class="stub"1
3

=2+24+10,
=36;

(3)class="stub"1
4
×class="stub"3
5
+class="stub"2
5
÷4,
=class="stub"1
4
×class="stub"3
5
+class="stub"2
5
×class="stub"1
4

=class="stub"1
4
×(class="stub"3
5
+class="stub"2
5
),
=class="stub"1
4
×1,
=class="stub"1
4


(4)class="stub"3
16
÷0.375×class="stub"4
5

=class="stub"3
16
×class="stub"8
3
×class="stub"4
5

=class="stub"1
2
×class="stub"4
5

=class="stub"2
5

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