用竖式计算,带★的验算①3.48×0.05=②3.06×45=③★8.45÷0.65=④0.9×1.07=⑤6.21÷0.03=⑥★19.76÷5.2=-数学

题目简介

用竖式计算,带★的验算①3.48×0.05=②3.06×45=③★8.45÷0.65=④0.9×1.07=⑤6.21÷0.03=⑥★19.76÷5.2=-数学

题目详情

用竖式计算,带★的验算
①3.48×0.05=

②3.06×45=

③★8.45÷0.65=
④0.9×1.07=⑤6.21÷0.03=⑥★19.76÷5.2=
题型:解答题难度:中档来源:不详

答案

①3.48×0.05=0.174,
3.48
class="stub"×0.05
0.174

②3.06×45=137.7,
3.06
class="stub"×45
1530

class="stub"1224
137.70

③8.45÷0.65=13,
13
0.65
8.45

class="stub"65
195

class="stub"195
0

验证:0.65
class="stub"×13
195

class="stub"65
8.45

④0.9×1.07=0.963,
1.0 7
class="stub"×0.9
0.963

⑤6.21÷0.03=207,
207
0.03
6.21

class="stub"6
21

class="stub"21
0

⑥19.76÷5.2=3.8,
3.8
5.2
19.76

class="stub"156
416

class="stub"416
0

验算:3.8
class="stub"×5.2
76

class="stub"190
19.76

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