计算:(2.25÷0.375×16-0.3×223)÷(2.3×0.25+0.27×2.5)=______.-数学

题目简介

计算:(2.25÷0.375×16-0.3×223)÷(2.3×0.25+0.27×2.5)=______.-数学

题目详情

计算:
(2.25÷0.375×
1
6
-0.3×2
2
3
)÷(2.3×0.25+0.27×2.5)=______.
题型:解答题难度:中档来源:不详

答案

(2.25÷0.375×class="stub"1
6
-0.3×2class="stub"2
3
)÷(2.3×0.25+0.27×2.5)
=(class="stub"9
4
×class="stub"8
3
×class="stub"1
6
-class="stub"3
10
×class="stub"8
3
)÷(0.23×2.5+0.27×2.5),
=(1-class="stub"4
5
)÷[(0.23+0.27)×2.5],
=class="stub"1
5
÷[0.5×2.5],
=class="stub"1
5
÷class="stub"5
4

=class="stub"4
25

故答案为:class="stub"4
25

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