递等式计算:360-225÷15×1835÷56×8154.72-1.16-2.8419+18÷34+89.-数学

题目简介

递等式计算:360-225÷15×1835÷56×8154.72-1.16-2.8419+18÷34+89.-数学

题目详情

递等式计算:
360-225÷15×18
3
5
÷
5
6
×
8
15
4.72-1.16-2.84
1
9
+
1
8
÷
3
4
+
8
9
题型:解答题难度:中档来源:不详

答案

(1)360-225÷15×18,
=360-15×18,
=360-270,
=90;

(2)class="stub"3
5
÷class="stub"5
6
×class="stub"8
15

=class="stub"18
25
×class="stub"8
15

=class="stub"48
125


(3)4.72-1.16-2.84,
=4.72-(1.16+2.84),
=4.72-4,
=0.72;

(4)class="stub"1
9
+class="stub"1
8
÷class="stub"3
4
+class="stub"8
9

=class="stub"1
9
+class="stub"1
6
+class="stub"8
9

=class="stub"1
9
+class="stub"8
9
+class="stub"1
6

=1+class="stub"1
6

=1class="stub"1
6

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