怎样简便就怎样算.49×15÷4536×(23+16-34)18×58+42÷845÷58-12÷584-511-611(15-14×47)×82137×115+47÷15(6-18×32)+34.-

题目简介

怎样简便就怎样算.49×15÷4536×(23+16-34)18×58+42÷845÷58-12÷584-511-611(15-14×47)×82137×115+47÷15(6-18×32)+34.-

题目详情

怎样简便就怎样算.
4
9
×
1
5
÷
4
5
36×(
2
3
+
1
6
-
3
4
1
8
×58+42÷8
4
5
÷
5
8
-
1
2
÷
5
8
4-
5
11
-
6
11
(15-14×
4
7
)×
8
21
3
7
×
1
15
+
4
7
÷15
(6-
1
8
×32)+
3
4
题型:解答题难度:中档来源:不详

答案

(1)class="stub"4
9
×class="stub"1
5
÷class="stub"4
5

=class="stub"4
45
÷class="stub"4
5

=class="stub"1
9


(2)36×(class="stub"2
3
+class="stub"1
6
-class="stub"3
4
),
=36×class="stub"2
3
+36×class="stub"1
6
-36×class="stub"3
4

=24+6-27,
=3;

(3)class="stub"1
8
×58+42÷8,
=(58+42)×class="stub"1
8

=100×class="stub"1
8

=12.5;

(4)class="stub"4
5
÷class="stub"5
8
-class="stub"1
2
÷class="stub"5
8

=(class="stub"4
5
-class="stub"1
2
)×class="stub"8
5

=class="stub"3
10
×class="stub"8
5

=class="stub"12
25


(5)4-class="stub"5
11
-class="stub"6
11

=4-(class="stub"5
11
+class="stub"6
11
),
=4-1,
=3;

(6)(15-14×class="stub"4
7
)×class="stub"8
21

=(15-8)×class="stub"8
21

=7×class="stub"8
21

=2class="stub"2
3


(7)class="stub"3
7
×class="stub"1
15
+class="stub"4
7
÷15,
=(class="stub"3
7
+class="stub"4
7
)×class="stub"1
15

=1×class="stub"1
15

=class="stub"1
15


(8)(6-class="stub"1
8
×32)+class="stub"3
4

=(6-4)+class="stub"3
4

=2+class="stub"3
4

=2.75.

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