选择合理的方法计算:710×516÷2132917×17+517÷73-32÷2110-2736×(14+16+19)1720×101-172015÷[113×(15+23)]-六年级数学

题目简介

选择合理的方法计算:710×516÷2132917×17+517÷73-32÷2110-2736×(14+16+19)1720×101-172015÷[113×(15+23)]-六年级数学

题目详情

选择合理的方法计算:
7
10
×
5
16
÷
21
32
9
17
×
1
7
+
5
17
÷7 
3-
3
2
÷
21
10
-
2
7
36×(
1
4
+
1
6
+
1
9
17
20
×101-
17
20
1
5
÷[
1
13
×(
1
5
+
2
3
)]
题型:解答题难度:中档来源:不详

答案

(1)class="stub"7
10
×class="stub"5
16
÷class="stub"21
32

=class="stub"7
10
×class="stub"5
16
×class="stub"32
21

=class="stub"1
3


(2)class="stub"9
17
×class="stub"1
7
+class="stub"5
17
÷7
=class="stub"9
17
×class="stub"1
7
+class="stub"5
17
×class="stub"1
7

=(class="stub"9
17
+class="stub"5
17
)×class="stub"1
7

=class="stub"14
17
×class="stub"1
7

=class="stub"2
17


(3)3-class="stub"3
2
÷class="stub"21
10
-class="stub"2
7

=3-class="stub"3
2
×class="stub"10
21
-class="stub"2
7

=3-class="stub"5
7
-class="stub"2
7

=3-(class="stub"5
7
+class="stub"2
7

=3-1
=2;

(4)36×(class="stub"1
4
+class="stub"1
6
+class="stub"1
9

=36×class="stub"1
4
+36×class="stub"1
6
+36×class="stub"1
9

=9+6+4
=19;

(5)class="stub"17
20
×101-class="stub"17
20

=class="stub"17
20
×(101-1)
=class="stub"17
20
×100
=85;

(6)class="stub"1
5
÷[class="stub"1
13
×(class="stub"1
5
+class="stub"2
3
)]
=class="stub"1
5
÷[class="stub"1
13
×class="stub"13
15
]
=class="stub"1
5
÷class="stub"1
15

=class="stub"1
5
×15
=3.

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