计算.(108÷25)×(75÷18)3.5×(20.6-16.8÷4.8)(32-56)×(23+65)314×[7-4÷(215+23)].-数学

题目简介

计算.(108÷25)×(75÷18)3.5×(20.6-16.8÷4.8)(32-56)×(23+65)314×[7-4÷(215+23)].-数学

题目详情

计算.
(108÷25)×(75÷18)
3.5×(20.6-16.8÷4.8)
3
2
-
5
6
)×(
2
3
+
6
5
)      
3
14
×[7-4÷(
2
15
+
2
3
)].
题型:解答题难度:中档来源:不详

答案

(1)(108÷25)×(75÷18),
=class="stub"108
25
×class="stub"75
18

=18;

(2)3.5×(20.6-16.8÷4.8),
=3.5×(20.6-3.5),
=3.5×17.1,
=59.85;

(3)(class="stub"3
2
-class="stub"5
6
)×(class="stub"2
3
+class="stub"6
5
),
=class="stub"2
3
×class="stub"28
15

=class="stub"56
45


(4)class="stub"3
14
×[7-4÷(class="stub"2
15
+class="stub"2
3
)],
=class="stub"3
14
×[7-4÷class="stub"4
5
],
=class="stub"3
14
×[7-4×class="stub"5
4
],
=class="stub"3
14
×[7-5],
=class="stub"3
14
×2,
=class="stub"3
7

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