47×[15×(13-310)+78]=18÷67-(14+27)×911=(1+57+12÷34)×27=(350×101-350)÷(150+30÷115)=34÷[(116+120)×(1÷32

题目简介

47×[15×(13-310)+78]=18÷67-(14+27)×911=(1+57+12÷34)×27=(350×101-350)÷(150+30÷115)=34÷[(116+120)×(1÷32

题目详情

4
7
×[15×(
1
3
-
3
10
)+
7
8
]
=
18÷
6
7
-(
1
4
+
2
7
9
11
=
(1+
5
7
+
1
2
÷
3
4
2
7
=
(
3
50
×101-
3
50
)÷(150+30÷
1
15
)
=
3
4
÷[(
1
16
+
1
20
)×(1÷
3
20
)]
=
1
5
÷
2
3
×
5
24
÷
7
12
=
题型:解答题难度:中档来源:不详

答案

(1)class="stub"4
7
×[15×(class="stub"1
3
-class="stub"3
10
)+class="stub"7
8
]

=class="stub"4
7
×
[15×class="stub"1
30
+class="stub"7
8
],
=class="stub"4
7
×
[class="stub"1
2
+class="stub"7
8
],
=class="stub"4
7
×class="stub"11
8

=class="stub"11
14


(2)18÷class="stub"6
7
-(class="stub"1
4
+class="stub"2
7
)×class="stub"9
11

=18÷class="stub"6
7
-class="stub"15
28
×class="stub"9
11

=21-class="stub"135
308

=20class="stub"173
308


(3)(1+class="stub"5
7
+class="stub"1
2
÷class="stub"3
4
)×class="stub"2
7

=(1+class="stub"5
7
+class="stub"2
3
)×class="stub"2
7

=class="stub"50
21
×class="stub"2
7

=class="stub"100
147


(4)(class="stub"3
50
×101-class="stub"3
50
)÷(150+30÷class="stub"1
15
)

=(101-1)×class="stub"3
50
÷(150+450),
=6+600,
=606;

(5)class="stub"3
4
÷[(class="stub"1
16
+class="stub"1
20
)×(1÷class="stub"3
20
)]

=class="stub"3
4
÷[class="stub"9
80
×class="stub"20
3
],
=class="stub"3
4
÷class="stub"3
4

=1;

(6)class="stub"1
5
÷class="stub"2
3
×class="stub"5
24
÷class="stub"7
12

=class="stub"3
10
×class="stub"5
24
÷class="stub"7
12

=class="stub"1
16
÷class="stub"7
12

=class="stub"3
28

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