计算下面各题,能简算的要简算.5÷[(23+15)×113]54×18×1659×34+59×1415+29×3103564÷(18+34)-六年级数学

题目简介

计算下面各题,能简算的要简算.5÷[(23+15)×113]54×18×1659×34+59×1415+29×3103564÷(18+34)-六年级数学

题目详情

计算下面各题,能简算的要简算.
5÷[(
2
3
+
1
5
)×
1
13
]
5
4
×
1
8
×16
5
9
×
3
4
+
5
9
×
1
4
1
5
+
2
9
×
3
10
35
64
÷(
1
8
+
3
4
题型:解答题难度:中档来源:不详

答案

(1)5÷[(class="stub"2
3
+class="stub"1
5
)×class="stub"1
13
]
=5÷[class="stub"13
15
×class="stub"1
13
]
=5÷class="stub"1
15

=75;

(2)class="stub"5
4
×class="stub"1
8
×16
=class="stub"5
4
×(class="stub"1
8
×16)
=class="stub"5
4
×2
=2.5;

(3)class="stub"5
9
×class="stub"3
4
+class="stub"5
9
×class="stub"1
4

=class="stub"5
9
×(class="stub"3
4
+class="stub"1
4

=class="stub"5
9
×1
=class="stub"5
9


(4)class="stub"1
5
+class="stub"2
9
×class="stub"3
10

=class="stub"1
5
+class="stub"1
15

=class="stub"4
15


(5)class="stub"35
64
÷(class="stub"1
8
+class="stub"3
4

=class="stub"35
64
÷class="stub"7
8

=class="stub"35
64
×class="stub"8
7

=class="stub"5
8

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