计算:89×34÷815(0.92+225)÷(4-279)13÷(23-25)×35.-数学

题目简介

计算:89×34÷815(0.92+225)÷(4-279)13÷(23-25)×35.-数学

题目详情

计算:
8
9
×
3
4
÷
8
15

(0.92+
2
25
)÷(4-2
7
9

1
3
÷(
2
3
-
2
5
)×
3
5
题型:解答题难度:中档来源:不详

答案

(1)class="stub"8
9
×class="stub"3
4
÷class="stub"8
15

=class="stub"2
3
×class="stub"15
8

=class="stub"5
4


(2)(0.92+class="stub"2
25
)÷(4-2class="stub"7
9
),
=1÷1class="stub"2
9

=class="stub"9
11


(3)class="stub"1
3
÷(class="stub"2
3
-class="stub"2
5
)×class="stub"3
5

=class="stub"1
3
÷class="stub"4
15
×class="stub"3
5

=class="stub"5
4
×class="stub"3
5

=class="stub"3
4

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