计算下列各题.(58+14)÷7161315÷3945×310(56-23)×9101-79÷78(0.75-316)×(29+13)716-12×78.-数学

题目简介

计算下列各题.(58+14)÷7161315÷3945×310(56-23)×9101-79÷78(0.75-316)×(29+13)716-12×78.-数学

题目详情

计算下列各题.
5
8
+
1
4
)÷
7
16
13
15
÷
39
45
×
3
10
5
6
-
2
3
)×
9
10
1-
7
9
÷
7
8
(0.75-
3
16
)×(
2
9
+
1
3
7
16
-
1
2
×
7
8
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"5
8
+class="stub"1
4
)÷class="stub"7
16

=class="stub"7
8
×class="stub"16
7

=2;

(2)class="stub"13
15
÷class="stub"39
45
×class="stub"3
10

=class="stub"13
15
×class="stub"45
39
×class="stub"3
10

=class="stub"3
10


(3)(class="stub"5
6
-class="stub"2
3
)×class="stub"9
10

=class="stub"1
6
×class="stub"9
10

=class="stub"3
20


(4)1-class="stub"7
9
÷class="stub"7
8

=1-class="stub"7
9
×class="stub"8
7

=1-class="stub"8
9

=class="stub"1
9


(5)(0.75-class="stub"3
16
)×(class="stub"2
9
+class="stub"1
3
),
=(class="stub"3
4
-class="stub"3
16
)×class="stub"5
9

=class="stub"9
16
×class="stub"5
9

=class="stub"5
16


(6)class="stub"7
16
-class="stub"1
2
×class="stub"7
8

=class="stub"7
16
-class="stub"7
16

=0.

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