按要求列竖式计算.(1)带★的要验算.3.7×0.26=★39.78÷1.3=★9.6728÷2.14=(2)得数保留两位小数.11÷900.2704÷133.87×2.45.-数学

题目简介

按要求列竖式计算.(1)带★的要验算.3.7×0.26=★39.78÷1.3=★9.6728÷2.14=(2)得数保留两位小数.11÷900.2704÷133.87×2.45.-数学

题目详情

按要求列竖式计算.
(1)带★的要验算.
3.7×0.26=★
39.78÷1.3=★
9.6728÷2.14=
(2)得数保留两位小数.
11÷900.2704÷133.87×2.45.
题型:解答题难度:中档来源:不详

答案

(1)3.7×0.26=0.962;
3.7
×0.26

.
222

class="stub"74
0.962

验算:
0.26
×3.7

.
182

class="stub"78
0.962


39.78÷1.3=30.6;
30.6
13397.8

class="stub"39
78

class="stub"78
0

验算:
30.6
×1.3

.
918

class="stub"306
39.78


9.6728÷2.14=4.52;
4.52
214967.28

class="stub"856
1112

class="stub"1070
428

class="stub"428
0


(2)11÷90≈0.12;
0.122
90110

class="stub"90
200

class="stub"180
200

class="stub"180
20


0.2704÷13≈0.02;
0.0208
130.2704

class="stub"26
104

class="stub"104
0


3.87×2.45≈9.48.
3.87
×2.45

.
1935

1548
774

.
9.4815

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