5÷[(35%-112)×34]+1318×2.75+0.125×174+12.5%(362+548×361)÷(362×548-186)11×14+14×17+17×110+…+197×1100.-

题目简介

5÷[(35%-112)×34]+1318×2.75+0.125×174+12.5%(362+548×361)÷(362×548-186)11×14+14×17+17×110+…+197×1100.-

题目详情

5÷[(35%-
1
12
)×
3
4
]+
1
3

1
8
×2.75+0.125×
17
4
+12.5%
(362+548×361)÷(362×548-186)
1
1
×
1
4
+
1
4
×
1
7
+
1
7
×
1
10
+…+
1
97
×
1
100
题型:解答题难度:中档来源:不详

答案

(1)5÷[(35%-class="stub"1
12
)×class="stub"3
4
]+class="stub"1
3

=5÷[(class="stub"7
20
-class="stub"1
12
)×class="stub"3
4
]+class="stub"1
3

=5÷[(class="stub"21
60
-class="stub"5
60
)×class="stub"3
4
]+class="stub"1
3

=5÷[class="stub"16
60
×class="stub"3
4
]+class="stub"1
3

=5÷class="stub"1
5
+class="stub"1
3

=25+class="stub"1
3

=25class="stub"1
3


(2)class="stub"1
8
×2.75+0.125×class="stub"17
4
+12.5%,
=0.125×2.75+0.125×4.25+0.125,
=(2.75+4.25+1)×0.125,
=8×0.125,
=1;

(3)(362+548×361)÷(362×548-186),
=[362+548×(362-1)]÷(362×548-186),
=[362-548+548×362]÷(362×548-186),
=(362×548-186)÷(362×548-186),
=1;

(4)class="stub"1
1
×class="stub"1
4
+class="stub"1
4
×class="stub"1
7
+class="stub"1
7
×class="stub"1
10
+…+class="stub"1
97
×class="stub"1
100

=class="stub"1
3
×(1-class="stub"1
4
)+class="stub"1
3
×(class="stub"1
4
-class="stub"1
7
)+class="stub"1
3
×(class="stub"1
7
-class="stub"1
10
)+…+class="stub"1
3
×(class="stub"1
97
-class="stub"1
100
),
=class="stub"1
3
×(1-class="stub"1
4
+class="stub"1
4
-class="stub"1
7
+class="stub"1
7
-class="stub"1
10
+…+class="stub"1
97
-class="stub"1
100
),
=class="stub"1
3
×(1-class="stub"1
100
),
=class="stub"33
100

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