脱式计算(1415-1415×38)÷5948÷[(49+16)×611](13+136-512)×1289×[34-(716-0.25)].-数学

题目简介

脱式计算(1415-1415×38)÷5948÷[(49+16)×611](13+136-512)×1289×[34-(716-0.25)].-数学

题目详情

脱式计算
14
15
-
14
15
×
3
8
)÷
5
9
48÷[(
4
9
+
1
6
)×
6
11
]
1
3
+
13
6
-
5
12
)×12
8
9
×[
3
4
-(
7
16
-0.25)].
题型:解答题难度:中档来源:不详

答案

(1)(class="stub"14
15
-class="stub"14
15
×class="stub"3
8
)÷class="stub"5
9

=(class="stub"14
15
-class="stub"7
20
)÷class="stub"5
9

=class="stub"35
60
×class="stub"9
5

=class="stub"21
20


(2)48÷[(class="stub"4
9
+class="stub"1
6
)×class="stub"6
11
],
=48÷[class="stub"11
18
×class="stub"6
11
],
=48÷class="stub"1
3

=144;

(3)(class="stub"1
3
+class="stub"13
6
-class="stub"5
12
)×12,
=4+26-5,
=25;

(4)class="stub"8
9
×[class="stub"3
4
×(class="stub"7
16
-0.25)],
=class="stub"8
9
×[class="stub"3
4
×class="stub"3
16
],
=class="stub"8
9
×class="stub"9
64

=class="stub"1
8

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