用递等式计算.235+24×122.6÷(0.74-0.24)×2.578×314+14[1-(56-13)]÷25.-数学

题目简介

用递等式计算.235+24×122.6÷(0.74-0.24)×2.578×314+14[1-(56-13)]÷25.-数学

题目详情

用递等式计算.
235+24×12
2.6÷(0.74-0.24)×2.5
7
8
×
3
14
+
1
4
[1-(
5
6
-
1
3
)]÷
2
5
题型:解答题难度:中档来源:不详

答案

235+24×12
=235+288,
=523;

2.6÷(0.74-0.24)×2.5
=2.6÷0.5×2.5,
=5.2×2.5,
=13;

class="stub"7
8
×class="stub"3
14
+class="stub"1
4

=class="stub"3
16
+class="stub"1
4

=class="stub"3
16
+class="stub"4
16

=class="stub"7
16


[1-(class="stub"5
6
-class="stub"1
3
)]÷class="stub"2
5

=[1-(class="stub"5
6
-class="stub"2
6
)]÷class="stub"2
5

=[1-class="stub"1
2
class="stub"5
2

=class="stub"1
2
×class="stub"5
2

=class="stub"5
4

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