计算下面各题.49×1516÷56(45+14)÷73+7104÷83-0.60.75×18÷0.15.-数学

题目简介

计算下面各题.49×1516÷56(45+14)÷73+7104÷83-0.60.75×18÷0.15.-数学

题目详情

计算下面各题.
4
9
×
15
16
÷
5
6
4
5
+
1
4
)÷
7
3
+
7
10
8
3
-0.60.75×18÷0.15.
题型:解答题难度:中档来源:不详

答案

(1)class="stub"4
9
×class="stub"15
16
÷class="stub"5
6

=class="stub"4
9
×class="stub"15
16
×class="stub"6
5

=class="stub"1
2


(2)(class="stub"4
5
+class="stub"1
4
)÷class="stub"7
3
+class="stub"7
10

=(class="stub"16
20
+class="stub"5
20
÷class="stub"7
3
+class="stub"7
10

=class="stub"21
20
×class="stub"3
7
+class="stub"7
10

=class="stub"9
20
+class="stub"14
20

=class="stub"23
20

=1class="stub"3
20


(3)4÷class="stub"8
3
-0.6,
=4×class="stub"3
8
-
0.6,
=1.5-0.6,
=0.9;

(4)0.75×18÷0.15,
=0.75÷0.15×18,
=5×18,
=90.

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