59+18÷34×2349×27+27÷952-311÷922-13(0.75-12)×(15+0.3)-数学

题目简介

59+18÷34×2349×27+27÷952-311÷922-13(0.75-12)×(15+0.3)-数学

题目详情

5
9
+
1
8
÷
3
4
×
2
3
4
9
×
2
7
+
2
7
÷
9
5
2-
3
11
÷
9
22
-
1
3
(0.75-
1
2
)×(
1
5
+0.3)
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
9
+class="stub"1
8
÷class="stub"3
4
×class="stub"2
3

=class="stub"5
9
+class="stub"1
8
×class="stub"4
3
×class="stub"2
3

=class="stub"5
9
+class="stub"1
9

=class="stub"2
3


(2)class="stub"4
9
×class="stub"2
7
+class="stub"2
7
÷class="stub"9
5

=class="stub"4
9
×class="stub"2
7
+class="stub"2
7
×class="stub"5
9

=class="stub"2
7
×(class="stub"4
9
+class="stub"5
9
)

=class="stub"2
7
×1,
=class="stub"2
7


(3)2-class="stub"3
11
÷class="stub"9
22
-class="stub"1
3

=2-class="stub"2
3
-class="stub"1
3

=2-(class="stub"2
3
+class="stub"1
3
),
=2-1,
=1;

(4)(0.75-class="stub"1
2
)×(class="stub"1
5
+0.3)

=0.25×0.5,
=0.125.

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