怎样简便就怎样算14+34×35-78-0.12579÷115+29×511[12-(34-35)]÷710.-数学

题目简介

怎样简便就怎样算14+34×35-78-0.12579÷115+29×511[12-(34-35)]÷710.-数学

题目详情

怎样简便就怎样算
1
4
+
3
4
×3
5-
7
8
-0.125
7
9
÷
11
5
+
2
9
×
5
11
[
1
2
-(
3
4
-
3
5
)]÷
7
10
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
4
+class="stub"3
4
×3,
=class="stub"1
4
+class="stub"9
4

=class="stub"5
2


(2)5-class="stub"7
8
-0.125,
=5-(0.875+0.125),
=5-1,
=4;

(3)class="stub"7
9
÷class="stub"11
5
+class="stub"2
9
×class="stub"5
11

=class="stub"7
9
×class="stub"5
11
+class="stub"2
9
×class="stub"5
11

=(class="stub"7
9
+class="stub"2
9
)×class="stub"5
11

=1×class="stub"5
11

=class="stub"5
11


(4)[class="stub"1
2
-(class="stub"3
4
-class="stub"3
5
)]÷class="stub"7
10

=[class="stub"1
2
-class="stub"3
20
class="stub"7
10

=class="stub"7
20
÷class="stub"7
10

=class="stub"1
2

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