脱式计算511×[(25+13)÷56]914-316÷79×208(1-15÷13)×151656÷[1-(34+112)].-数学

题目简介

脱式计算511×[(25+13)÷56]914-316÷79×208(1-15÷13)×151656÷[1-(34+112)].-数学

题目详情

脱式计算
5
11
×[(
2
5
+
1
3
)÷
5
6
]
914-316÷79×208
(1-
1
5
÷
1
3
)×
15
16

5
6
÷[1-(
3
4
+
1
12
)].
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
11
×[(class="stub"2
5
+class="stub"1
3
)÷class="stub"5
6
],
=class="stub"5
11
×[class="stub"11
15
÷class="stub"5
6
],
=class="stub"5
11
×[class="stub"11
15
×class="stub"6
5
],
=class="stub"5
11
×class="stub"11
15
×class="stub"6
5

=class="stub"2
5


(2)914-316÷79×208,
=914-4×208,
=914-832,
=82;

(3)(1-class="stub"1
5
÷class="stub"1
3
)×class="stub"15
16

=(1-class="stub"1
5
×3)×class="stub"15
16

=(1-class="stub"3
5
)×class="stub"15
16

=class="stub"2
5
×class="stub"15
16

=class="stub"3
8


(4)class="stub"5
6
÷[1-(class="stub"3
4
+class="stub"1
12
)],
=class="stub"5
6
÷[1-class="stub"5
6
],
=class="stub"5
6
÷class="stub"1
6

=class="stub"5
6
×6,
=5.

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