计算.118×4.8217×3.52.3×137229×0.63.-数学

题目简介

计算.118×4.8217×3.52.3×137229×0.63.-数学

题目详情

计算.
1
1
8
×4.8
2
1
7
×3.5
2.3×1
3
7
2
2
9
×0.63.
题型:解答题难度:中档来源:不详

答案


(1)1class="stub"1
8
×4.8,
=class="stub"9
8
×4.8,
=5.4;

(2)2class="stub"1
7
×3.5,
=class="stub"15
7
×3.5,
=7.5;

(3)2.3×1class="stub"3
7

=2.3×class="stub"10
7

=class="stub"23
10
×class="stub"10
7

=class="stub"23
7


(4)2class="stub"2
9
×0.63,
=class="stub"20
9
×0.63,
=1.4.

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