17÷7+7÷176-(17÷2+3)34×88+14÷188[1-(34+112)]×3299%+91×(213-17)-数学

题目简介

17÷7+7÷176-(17÷2+3)34×88+14÷188[1-(34+112)]×3299%+91×(213-17)-数学

题目详情

1
7
÷7+7÷
1
7

6-(
1
7
÷2+3)
3
4
×88+
1
4
÷
1
88

[1-(
3
4
+
1
12
)]×
3
2

99%+91×(
2
13
-
1
7
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
7
÷7+7÷class="stub"1
7

=class="stub"1
49
+49,
=49class="stub"1
49


(2)6-(class="stub"1
7
÷2+3)
=6-(class="stub"1
14
+3),
=6-3class="stub"1
14

=2class="stub"13
14


(3)class="stub"3
4
×88+class="stub"1
4
÷class="stub"1
88

=class="stub"3
4
×88+class="stub"1
4

=(class="stub"3
4
+class="stub"1
4
)×88,
=1×88,
=88;

(4)[1-(class="stub"3
4
+class="stub"1
12
)]×class="stub"3
2

=[1-class="stub"5
6
class="stub"3
2

=class="stub"1
6
×class="stub"3
2

=class="stub"1
4


(5)99%+91×(class="stub"2
13
-class="stub"1
7

=99%+91×class="stub"2
13
-91×class="stub"1
7

=0.99+14-13,
=1.99.

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