[47×(35-0.25)+310]÷123.5×0.782÷(2.2-1.97)(0.25+0.7)÷0.25×250%1001-9036÷18.-数学

题目简介

[47×(35-0.25)+310]÷123.5×0.782÷(2.2-1.97)(0.25+0.7)÷0.25×250%1001-9036÷18.-数学

题目详情

[
4
7
×(
3
5
-0.25)+
3
10
1
2

3.5×0.782÷(2.2-1.97)
(0.25+0.7)÷0.25×250%
1001-9036÷18.
题型:解答题难度:中档来源:不详

答案

(1)[class="stub"4
7
×(class="stub"3
5
-0.25)+class="stub"3
10
class="stub"1
2

=[class="stub"4
7
×class="stub"7
20
+class="stub"3
10
class="stub"1
2

=[class="stub"2
10
+class="stub"3
10
class="stub"1
2

=class="stub"1
2
÷class="stub"1
2

=1;

(2)3.5×0.782÷(2.2-1.97),
=3.5×0.782÷0.23,
=2.737÷0.23,
=11.9;

(3)(0.25+0.7)÷0.25×250%,
=0.95÷0.25×250%,
=3.8×2.5,
=9.5;

(4)1001-9036÷18,
=1001-502,
=499.

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