能简便计算的要简便计算.14×4÷14×4813÷7+17×513(75×514+103÷23)÷57%-数学

题目简介

能简便计算的要简便计算.14×4÷14×4813÷7+17×513(75×514+103÷23)÷57%-数学

题目详情

能简便计算的要简便计算.
1
4
×4÷
1
4
×4
8
13
÷7+
1
7
×
5
13

7
5
×
5
14
+
10
3
÷
2
3
)÷57%
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
4
×4÷class="stub"1
4
×4,
=1÷class="stub"1
4
×4,
=4×4,
=16;

(2)class="stub"8
13
÷7+class="stub"1
7
×class="stub"5
13

=class="stub"8
13
×class="stub"1
7
+class="stub"1
7
×class="stub"5
13

=(class="stub"8
13
+class="stub"5
13
)×class="stub"1
7

=1×class="stub"1
7

=class="stub"1
7


(3)(class="stub"7
5
×class="stub"5
14
+class="stub"10
3
÷class="stub"2
3
)÷57%,
=(class="stub"1
2
+5)÷57%,
=5class="stub"1
2
÷57%,
=class="stub"11
2
×class="stub"100
57

=class="stub"550
57

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