计算2037-2037÷21.4375+884÷26×25.8.5+(5.6-4.8)×13.[9.2+0.8×(9-7.75)]÷0.4.(512+518)÷58.2.25×1.8+1.25×0.1

题目简介

计算2037-2037÷21.4375+884÷26×25.8.5+(5.6-4.8)×13.[9.2+0.8×(9-7.75)]÷0.4.(512+518)÷58.2.25×1.8+1.25×0.1

题目详情

计算
2037-2037÷21.4375+884÷26×25.
8.5+(5.6-4.8)×13.[9.2+0.8×(9-7.75)]÷0.4.
(
5
12
+
5
18
)
÷
5
8
2.25×1.8+1.25×0.18.
[17.1-17.1÷(3.1-2
1
10
)]×599
题型:解答题难度:中档来源:不详

答案

(1)2037-2037÷21
=2037-97
=1940;

(2)4375+884÷26×25
=4375+34×25
=4375+850
=5225;

(3)8.5+(5.6-4.8)×13
=8.5+0.8×13
=8.5+10.4
=18.9;

(4)[9.2+0.8×(9-7.75)]÷0.4
=[9.2+0.8×1.25]÷0.4
=[9.2+1]÷0.4
=10.2÷0.4
=25.5;

(5)(class="stub"5
12
+class="stub"5
18
)÷class="stub"5
8

=class="stub"5
12
×class="stub"8
5
+class="stub"5
18
×class="stub"8
5

=class="stub"2
3
+class="stub"4
9

=class="stub"10
9


(6)2.25×1.8+1.25×0.18
=2.25×1.8+0.125×1.8
=1.8×(2.25+0.125)
=1.8×2.375
=4.275;

(7)[17.1-17.1÷(3.1-2class="stub"1
10
)]×599
=[17.1-17.1÷1]×599
=0×599
=0.

更多内容推荐