计算:29+18÷45+58(59+56-14)×72811÷85+38×811.-数学

题目简介

计算:29+18÷45+58(59+56-14)×72811÷85+38×811.-数学

题目详情

计算:
2
9
+
1
8
÷
4
5
+
5
8
5
9
+
5
6
-
1
4
)×72
8
11
÷
8
5
+
3
8
×
8
11
题型:解答题难度:中档来源:不详

答案

(1)class="stub"2
9
+class="stub"1
8
÷class="stub"4
5
+class="stub"5
8

=class="stub"2
9
+class="stub"1
8
×class="stub"5
4
+class="stub"5
8

=class="stub"2
9
+class="stub"5
32
+class="stub"5
8

=class="stub"64
288
+class="stub"45
288
+class="stub"180
288

=class="stub"289
288


(2)(class="stub"5
9
+class="stub"5
6
-class="stub"1
4
)×72,
=class="stub"5
9
×72+class="stub"5
6
×72-class="stub"1
4
×72,
=40+60-18,
=82;

(3)class="stub"8
11
÷class="stub"8
5
+class="stub"3
8
×class="stub"8
11

=class="stub"8
11
×class="stub"5
8
+class="stub"3
8
×class="stub"8
11

=(class="stub"5
8
+class="stub"3
8
)×class="stub"8
11

=1×class="stub"8
11

=class="stub"8
11

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