计算下面各题,能简算的要简算.(1)1021÷59(2)39÷2625(3)45÷14÷710(4)89×34÷815(5)(78+1316)÷1316(6)12×47+12×47.-数学

题目简介

计算下面各题,能简算的要简算.(1)1021÷59(2)39÷2625(3)45÷14÷710(4)89×34÷815(5)(78+1316)÷1316(6)12×47+12×47.-数学

题目详情

计算下面各题,能简算的要简算.
(1)
10
21
÷
5
9

(2)39÷
26
25

(3)
4
5
÷14÷
7
10

(4)
8
9
×
3
4
÷
8
15

(5)(
7
8
+
13
16
)÷
13
16

(6)
1
2
×
4
7
+
1
2
×
4
7
题型:解答题难度:中档来源:不详

答案

(1)class="stub"10
21
÷class="stub"5
9
=class="stub"6
7

(2)39÷class="stub"26
25
=37.5,
(3)class="stub"4
5
÷14÷class="stub"7
10

=class="stub"2
35
÷class="stub"7
10

=class="stub"4
49


(4)class="stub"8
9
×class="stub"3
4
÷class="stub"8
15

=class="stub"2
3
÷class="stub"8
15

=1class="stub"1
4


(5)(class="stub"7
8
+class="stub"13
16
)÷class="stub"13
16

=class="stub"7
8
×class="stub"16
13
+class="stub"13
16
×class="stub"16
13

=1class="stub"1
13
+1,
=2class="stub"1
13


(6)class="stub"1
2
×class="stub"4
7
+class="stub"1
2
×class="stub"4
7

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

=1×class="stub"4
7

=class="stub"4
7

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