计算.223×0.21156×1.67.8×78×117213×0.8×114.-数学

题目简介

计算.223×0.21156×1.67.8×78×117213×0.8×114.-数学

题目详情

计算.
2
2
3
×0.211
5
6
×1.67.8×
7
8
×1
1
7
2
1
3
×0.8×1
1
4
题型:解答题难度:中档来源:不详

答案

(1)2class="stub"2
3
×0.21,
=class="stub"8
3
×0.21,
=0.56;

(2)1class="stub"5
6
×1.6,
=class="stub"11
6
×1.6,
=class="stub"44
15


(3)7.8×class="stub"7
8
×1class="stub"1
7

=7.8×class="stub"7
8
×class="stub"8
7

=7.8;

(4)2class="stub"1
3
×0.8×1class="stub"1
4

=class="stub"7
3
×0.8×class="stub"5
4

=class="stub"7
3

更多内容推荐