脱式计算:165×3÷45259÷54÷45(59-12×13)÷56.-数学

题目简介

脱式计算:165×3÷45259÷54÷45(59-12×13)÷56.-数学

题目详情

脱式计算:
16
5
×3÷
4
5
25
9
÷
5
4
÷
4
5
5
9
-
1
2
×
1
3
)÷
5
6
题型:解答题难度:中档来源:不详

答案


(1)class="stub"16
5
×3÷class="stub"4
5

=class="stub"48
5
÷class="stub"4
5

=12;

(2)class="stub"25
9
÷class="stub"5
4
÷class="stub"4
5

=class="stub"25
9
÷(class="stub"5
4
×class="stub"4
5
),
=class="stub"25
9
÷1,
=class="stub"25
9


(3)(class="stub"5
9
-class="stub"1
2
×class="stub"1
3
)÷class="stub"5
6

=(class="stub"5
9
-class="stub"1
6
)÷class="stub"5
6

=class="stub"7
10
÷class="stub"5
6

=class="stub"21
25

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