2710×59+313÷89.123-179×0.05÷13134×(137+137+137+137)[2034-(29+14)×36]÷78(1-14)÷(2.1-25×1.5)23×[2.83-(

题目简介

2710×59+313÷89.123-179×0.05÷13134×(137+137+137+137)[2034-(29+14)×36]÷78(1-14)÷(2.1-25×1.5)23×[2.83-(

题目详情

2
7
10
×
5
9
+3
1
3
÷
8
9
1
2
3
-1
7
9
×0.05÷
1
3
1
3
4
×
1
3
7
+1
3
7
+1
3
7
+1
3
7
[20
3
4
-(
2
9
+
1
4
)×36]÷
7
8
(1-
1
4
)÷(2.1-
2
5
×1.5)
2
3
×[2.83-(0.83+
5
7
)]÷
4
7
题型:解答题难度:中档来源:不详

答案


(1)2class="stub"7
10
×class="stub"5
9
+3class="stub"1
3
÷class="stub"8
9

=class="stub"3
2
+class="stub"15
4

=class="stub"21
4


(2)1class="stub"2
3
-1class="stub"7
9
×0.05÷class="stub"1
3

=1class="stub"2
3
-class="stub"4
45
÷class="stub"1
3

=1class="stub"2
3
-class="stub"4
15

=1class="stub"2
5


(3)1class="stub"3
4
×
1class="stub"3
7
+1class="stub"3
7
+1class="stub"3
7
+1class="stub"3
7
),
=1class="stub"3
4
×1class="stub"3
7
×4,
=10;

(4)[20class="stub"3
4
-(class="stub"2
9
+class="stub"1
4
)×36]÷class="stub"7
8

=[20class="stub"3
4
-(class="stub"2
9
×36+class="stub"1
4
×36)]÷class="stub"7
8

=[20class="stub"3
4
-(8+9)]÷class="stub"7
8

=[20class="stub"3
4
-17]÷class="stub"7
8

=3class="stub"3
4
÷class="stub"7
8

=class="stub"30
7


(5)(1-class="stub"1
4
)÷(2.1-class="stub"2
5
×1.5)

=class="stub"3
4
÷(2.1-0.6),
=class="stub"3
4
÷1.5,
=0.5;

(6)class="stub"2
3
×[2.83-(0.83+class="stub"5
7
)]÷class="stub"4
7

=class="stub"2
3
×[2.83-1.58]÷class="stub"4
7

=class="stub"2
3
×1.25÷class="stub"4
7

=class="stub"5
6
÷class="stub"4
7

=class="stub"35
24

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