计算:1375+450÷18×2589×[34-(716-14)].-数学

题目简介

计算:1375+450÷18×2589×[34-(716-14)].-数学

题目详情

计算:
1375+450÷18×25
8
9
×[
3
4
-(
7
16
-
1
4
)].
题型:解答题难度:中档来源:不详

答案

(1)1375+450÷18×25
=1375+25×25,
=1375+625,
=2000;

(2)class="stub"8
9
×[class="stub"3
4
-(class="stub"7
16
-class="stub"1
4
)]
=class="stub"8
9
×[class="stub"3
4
-class="stub"7
16
+class="stub"1
4
],
=class="stub"8
9
×[class="stub"3
4
+class="stub"1
4
-class="stub"7
16
],
=class="stub"8
9
×[1-class="stub"7
16
],
=class="stub"8
9
×class="stub"9
16

=class="stub"1
2

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