1-12×1-13×[1-14×(1-15)].-数学

题目简介

1-12×1-13×[1-14×(1-15)].-数学

题目详情

1-
1
2
×1-
1
3
×[1-
1
4
×(1-
1
5
)]
题型:解答题难度:中档来源:不详

答案

1-class="stub"1
2
×1-class="stub"1
3
×[1-class="stub"1
4
×(1-class="stub"1
5
)],
=1-class="stub"1
2
×1-class="stub"1
3
×[1-class="stub"1
4
×class="stub"4
5
],
=1-class="stub"1
2
-class="stub"1
3
×class="stub"4
5

=1-class="stub"1
2
-class="stub"4
15

=class="stub"7
30

更多内容推荐