脱式计算:(1)450÷15+35(2)(1112-16)÷118×13(3)[910-(14÷720)]÷45.-数学

题目简介

脱式计算:(1)450÷15+35(2)(1112-16)÷118×13(3)[910-(14÷720)]÷45.-数学

题目详情

脱式计算:
(1)450÷15+35
(2)(
11
12
-
1
6
1
18
×
1
3

(3)[
9
10
-(
1
4
÷
7
20
)]÷
4
5
题型:解答题难度:中档来源:不详

答案

(1)450÷15+35,
=30+35,
=65;

(2)(class="stub"11
12
-class="stub"1
6
)÷class="stub"1
18
×class="stub"1
3

=class="stub"9
12
÷class="stub"1
18
×class="stub"1
3

=class="stub"27
2
×class="stub"1
3

=class="stub"9
2


(3)[class="stub"9
10
-(class="stub"1
4
÷class="stub"7
20
)]÷class="stub"4
5

=[class="stub"9
10
-class="stub"5
7
]÷class="stub"4
5

=class="stub"13
70
×class="stub"5
4

=class="stub"13
56

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