2010×215+2010÷15×135.75-3.09-1.7523×(14-16)÷10916×[916÷(716-14)].-数学

题目简介

2010×215+2010÷15×135.75-3.09-1.7523×(14-16)÷10916×[916÷(716-14)].-数学

题目详情

2010×
2
15
+2010÷15×13
5.75-3.09-1.75
2
3
×
1
4
-
1
6
÷
10
9

1
6
×
[
9
16
÷
7
16
-
1
4
)].
题型:解答题难度:中档来源:不详

答案

(1)2010×class="stub"2
15
+2010÷15×13,
=2010×class="stub"2
15
+2010×class="stub"13
15

=2010×(class="stub"2
15
+class="stub"13
15
),
=2010;

(2)5.75-3.09-1.75,
=5.75-1.75-3.09,
=4-3.09,
=0.91;

(3)class="stub"2
3
×
class="stub"1
4
-class="stub"1
6
÷class="stub"10
9

=class="stub"2
3
×(class="stub"1
4
-class="stub"1
6
)×class="stub"9
10

=class="stub"3
5
×class="stub"1
4
-class="stub"3
5
×class="stub"1
6

=class="stub"3
20
-class="stub"1
10

=class="stub"3
20
-class="stub"2
20

=class="stub"1
20


(4)class="stub"1
6
×
[class="stub"9
16
÷
class="stub"7
16
-class="stub"1
4
)],
=class="stub"1
6
×[class="stub"9
16
÷(class="stub"7
16
-class="stub"1
4
)],
=class="stub"1
6
×[class="stub"9
16
÷class="stub"3
16
],
=class="stub"1
6
×[class="stub"9
16
×class="stub"16
3
],
=class="stub"1
6
×3,
=class="stub"1
2

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