310千克的30%是______千克;56米是5米的______;比4米多25%的是______米;4米比______米少15,15比50少______%,35比______多16.-数学

题目简介

310千克的30%是______千克;56米是5米的______;比4米多25%的是______米;4米比______米少15,15比50少______%,35比______多16.-数学

题目详情

3
10
千克的30%是______千克;
5
6
米是5米的______;比4米多25%的是______米;4米比______米少
1
5
,15比50少______%,35比______多
1
6
题型:填空题难度:中档来源:不详

答案

(1)class="stub"3
10
×30%,
=0.3×0.3,
=0.09(千克);

(2)class="stub"5
6
÷5,
=class="stub"5
6
×class="stub"1
5

=class="stub"1
6


(3)4×(1+25%),
=4×1.25,
=5(米);

(4)4÷(1-class="stub"1
5
),
=4÷class="stub"4
5

=4×class="stub"5
4

=5(米);

(5)(50-15)÷50,
=35÷50,
=70%;

(6)35÷(1+class="stub"1
6
),
=35÷class="stub"7
6

=35×class="stub"6
7

=30.
故答案为:0.09,class="stub"1
6
,5,5,70,30.

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