[80-(20+4)-20]÷31÷1+0÷26+26÷1(488×6+550×9)÷(6+9)200-(140-12×11)×160.186+(134-12)-0.186-114+4524623÷6

题目简介

[80-(20+4)-20]÷31÷1+0÷26+26÷1(488×6+550×9)÷(6+9)200-(140-12×11)×160.186+(134-12)-0.186-114+4524623÷6

题目详情

[80-(20+4)-20]÷31÷1+0÷26+26÷1
(488×6+550×9)÷(6+9)200-(140-12×11)×16
0.186+(1
3
4
-
1
2
)-0.186-1
1
4
+45
24
6
23
÷6-
1
23
72×156-56×727.5-7.5×(7.5-7.5)÷7.5.
题型:解答题难度:中档来源:不详

答案

(1)[80-(20+4)-20]÷3,
=[80-24-20]÷3,
=(56-20)÷3,
=36÷3,
=12;

(2)1÷1+0÷26+26÷1,
=1+0+26,
=27;

(3)(488×6+550×9)÷(6+9),
=(2928+4950)÷(6+9),
=7878÷15,
=525.2;

(4)200-(140-12×11)×16,
=200-(140-132)×16,
=200-8×16,
=200-128,
=72;

(5)0.186+(1class="stub"3
4
-class="stub"1
2
)-0.186-1class="stub"1
4
+45,
=0.186+1.25-0.186-1.25+45,
=(0.186-0.186)+(1.25-1.25)+45,
=0+0+45,
=45;

(6)24class="stub"6
23
÷6-class="stub"1
23

=(24+class="stub"6
23
)×class="stub"1
6
-class="stub"1
23

=24×class="stub"1
6
+class="stub"6
23
×class="stub"1
6
-class="stub"1
23

=4+class="stub"1
23
-class="stub"1
23

=4+(class="stub"1
23
-class="stub"1
23
),
=4+0,
=4;

(7)72×156-56×72,
=72×(156-56),
=72×100,
=7200;

(8)7.5-7.5×(7.5-7.5)÷7.5,
=7.5-7.5×0÷7.5,
=7.5-0,
=7.5.

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