用递等式计算.(1)15×45÷67(2)34÷6÷78(3)1316÷(38+16)(4)23÷34-23×34.-数学

题目简介

用递等式计算.(1)15×45÷67(2)34÷6÷78(3)1316÷(38+16)(4)23÷34-23×34.-数学

题目详情

用递等式计算.
(1)15×
4
5
÷
6
7
(2)
3
4
÷6÷
7
8
(3)
13
16
÷(
3
8
+
1
6
(4)
2
3
÷
3
4
-
2
3
×
3
4
题型:解答题难度:中档来源:不详

答案


(1)15×class="stub"4
5
÷class="stub"6
7

=12÷class="stub"6
7

=14;

(2)class="stub"3
4
÷6÷class="stub"7
8

=class="stub"1
8
÷class="stub"7
8

=class="stub"1
7


(3)class="stub"13
16
÷(class="stub"3
8
+class="stub"1
6
),
=class="stub"13
16
÷class="stub"13
24

=class="stub"3
2


(4)class="stub"2
3
÷class="stub"3
4
-class="stub"2
3
×class="stub"3
4

=class="stub"8
9
-class="stub"1
2

=class="stub"7
18

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