计算.19×10×17×9×736-512÷56×845×34+4÷45(56+79)÷1118.-数学

题目简介

计算.19×10×17×9×736-512÷56×845×34+4÷45(56+79)÷1118.-数学

题目详情

计算.
1
9
×10×
1
7
×9×7
36-
5
12
÷
5
6
×8
4
5
×
3
4
+4÷
4
5
(
5
6
+
7
9
11
18
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
9
×10×class="stub"1
7
×9×7
=(class="stub"1
9
×
9)×10×(class="stub"1
7
×
7)
=1×10×1
=10;

(2)32-class="stub"5
12
÷class="stub"5
6
×
8
=32-class="stub"1
2
×
8
=32-4
=28;

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

=class="stub"3
5
+5
=5class="stub"3
5


(4)(class="stub"5
6
+class="stub"7
9
)÷class="stub"11
18

=class="stub"5
6
×class="stub"18
11
+class="stub"7
9
×class="stub"18
11

=class="stub"15
11
+class="stub"14
11

=2class="stub"7
11

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