计算下面各题,能简算的就简算.1-211÷811-343+58×35÷9813÷(23-25)×3547×89+37÷9878×150%-78×1234×[1÷(56+34)].-数学

题目简介

计算下面各题,能简算的就简算.1-211÷811-343+58×35÷9813÷(23-25)×3547×89+37÷9878×150%-78×1234×[1÷(56+34)].-数学

题目详情

计算下面各题,能简算的就简算.
1-
2
11
÷
8
11
-
3
4
3+
5
8
×
3
5
÷
9
8
1
3
÷(
2
3
-
2
5
)×
3
5
4
7
×
8
9
+
3
7
÷
9
8
78×150%-78×
1
2
3
4
×[1÷(
5
6
+
3
4
)].
题型:解答题难度:中档来源:不详

答案

①1-class="stub"2
11
÷class="stub"8
11
-class="stub"3
4

=1-class="stub"1
4
-class="stub"3
4

=1-(class="stub"1
4
+class="stub"3
4
),
=1-1,
=0;

②3+class="stub"5
8
×class="stub"3
5
÷class="stub"9
8

=3+class="stub"3
8
×class="stub"8
9

=3+class="stub"1
3

=3class="stub"1
3


class="stub"1
3
÷(class="stub"2
3
-class="stub"2
5
)×class="stub"3
5

=class="stub"1
3
÷class="stub"4
15
×class="stub"3
5

=class="stub"1
3
×class="stub"15
4
×class="stub"3
5

=class="stub"3
4


class="stub"4
7
×class="stub"8
9
+class="stub"3
7
÷class="stub"9
8

=(class="stub"4
7
+class="stub"3
7
)×class="stub"8
9

=1×class="stub"8
9

=class="stub"8
9


⑤78×150%-78×class="stub"1
2

=78×(150%-class="stub"1
2
),
=78×1,
=78;

class="stub"3
4
×[1÷(class="stub"5
6
+class="stub"3
4
)]
=class="stub"3
4
×(1×class="stub"12
19
),
=class="stub"3
4
×class="stub"12
19

=class="stub"9
19

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