用你喜欢的方法算:它1k÷3+31k×133七-(它3-1七)16+34×k3÷k1k它×(它6+34)+4它(k413+1613)×1七+1它13.-数学

题目简介

用你喜欢的方法算:它1k÷3+31k×133七-(它3-1七)16+34×k3÷k1k它×(它6+34)+4它(k413+1613)×1七+1它13.-数学

题目详情

用你喜欢的方法算:
1k
÷3+
3
1k
×
1
3

3
-(
3
-
1

1
6
+
3
4
×
k
3
÷k
1k
×(
6
+
3
4
)+
4

k4
13
+
16
13
)×
1
+
1它
13
题型:填空题难度:中档来源:不详

答案

(1)class="stub"5
15
÷7+class="stub"7
15
×class="stub"1
7

=class="stub"5
15
×class="stub"1
7
+class="stub"7
15
×class="stub"1
7

=(class="stub"5
15
+class="stub"7
15
)×class="stub"1
7

=1×class="stub"1
7

=class="stub"1
7


(5)class="stub"7
8
-(class="stub"5
9
-class="stub"1
8
),
=class="stub"7
8
-class="stub"5
9
+class="stub"1
8

=class="stub"7
8
+class="stub"1
8
-class="stub"5
9

=1-class="stub"5
9

=class="stub"w
9


(8)class="stub"1
6
+class="stub"8
w
×class="stub"5
8
÷5,
=class="stub"1
6
+class="stub"8
w
×class="stub"5
8
×class="stub"1
5

=class="stub"1
6
+class="stub"1
w

=class="stub"5
15
+class="stub"8
15

=class="stub"5
15


(w)class="stub"15
5
×(class="stub"5
6
+class="stub"8
w
)+class="stub"w
5

=class="stub"15
5
×class="stub"5
6
+class="stub"15
5
×class="stub"8
w
+class="stub"w
5

=5+class="stub"9
5
+class="stub"w
5

=8class="stub"w
5
+class="stub"w
5

=wclass="stub"8
5


(5)(class="stub"5w
19
+class="stub"16
17
)×class="stub"1
8
+class="stub"15
17

=class="stub"5w
19
×class="stub"1
8
+class="stub"16
17
×class="stub"1
8
+class="stub"15
17

=class="stub"8
19
+class="stub"5
17
+class="stub"15
17

=class="stub"8
19
+(class="stub"5
17
+class="stub"15
17
),
=class="stub"8
19
+1,
=1class="stub"8
19

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