[0.9+135)÷[(4512-31924)×0.8].-数学

题目简介

[0.9+135)÷[(4512-31924)×0.8].-数学

题目详情

[0.9+1
3
5
)÷[(4
5
12
-3
19
24
)×0.8]
题型:解答题难度:中档来源:不详

答案

[0.9+1class="stub"3
5
)÷[(4class="stub"5
12
-3class="stub"19
24
)×0.8]

=(0.9+class="stub"8
5
)÷[(class="stub"106
24
-class="stub"91
24
)×0.8],
=(class="stub"9
10
+class="stub"8
5
)÷(class="stub"5
8
×0.8),
=class="stub"5
2
÷0.5,
=5.

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