首页 > 5.76-（1.3+2.76）（115+117）×17+123134÷37-14×213438×（1+0.8）+558×145411×35+811×45998999×998．-数学

5.76-（1.3+2.76）（115+117）×17+123134÷37-14×213438×（1+0.8）+558×145411×35+811×45998999×998．-数学

题目简介

5.76-（1.3+2.76）（115+117）×17+123134÷37-14×213438×（1+0.8）+558×145411×35+811×45998999×998．-数学

题目详情

5.76-（1.3+2.76）（
1
15
+
1
17
）×17+1
2
3
1
3
4
÷
3
7
-
1
4
×2
1
3
4
3
8
×（1+0.8）+5
5
8
×1
4
5
4
11
×
3
5
+
8
11
×
4
5
998
999
×998．
题型：解答题难度：中档来源：不详

答案

5.76-（1.3+2.76）
=5.76-1.3-2.76
=5.76-2.76-1.3
=3-1.3
=1.7；
（class="stub"1
15
+class="stub"1
17
）×17+1class="stub"2
3

=class="stub"1
15
×17+class="stub"1
17
×17+1class="stub"2
3

=class="stub"17
15
+1+1class="stub"2
3

=class="stub"17
15
+class="stub"5
3
+1
=class="stub"14
5
+1
=3class="stub"4
5
；
1class="stub"3
4
÷class="stub"3
7
-class="stub"1
4
×2class="stub"1
3

=class="stub"7
4
×class="stub"7
3
-class="stub"1
4
×class="stub"7
3

=class="stub"7
3
×（class="stub"7
4
-class="stub"1
4
）
=class="stub"7
3
×class="stub"6
4

=class="stub"7
2
；
4class="stub"3
8
×（1+0.8）+5class="stub"5
8
×1class="stub"4
5

=4class="stub"3
8
×1class="stub"4
5
+5class="stub"5
8
×1class="stub"4
5

=（4class="stub"3
8
+5class="stub"5
8
）×1class="stub"4
5

=10×class="stub"9
5

=18；
class="stub"4
11
×class="stub"3
5
+class="stub"8
11
×class="stub"4
5

=class="stub"8
11
×class="stub"3
5
×class="stub"1
2
+class="stub"8
11
×class="stub"4
5

=class="stub"8
11
×class="stub"3
10
+class="stub"8
11
×class="stub"4
5

=（class="stub"3
10
+class="stub"4
5
）×class="stub"8
11

=class="stub"11
10
×class="stub"8
11

=class="stub"4
5
；
class="stub"998
999
×998
=（1-class="stub"1
999
）×998
=998×1-998×class="stub"1
999

=998-class="stub"998
999

=997class="stub"1
999
．

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