直接写出得数.(估算)49×301≈12×25%=12+13=4.78-2.11-0.89=5.4÷0.27=0÷1.35×4=28÷47=9×18÷9×18=-数学

题目简介

直接写出得数.(估算)49×301≈12×25%=12+13=4.78-2.11-0.89=5.4÷0.27=0÷1.35×4=28÷47=9×18÷9×18=-数学

题目详情

直接写出得数.(估算)
49×301≈

12×25%=

1
2
+
1
3
=

4.78-2.11-0.89=
5.4÷0.27=0÷1.35×4=28÷
4
7
=
1
8
÷9×
1
8
=
题型:解答题难度:中档来源:不详

答案

49×301≈15000,
12×25%=3,

class="stub"1
2
+class="stub"1
3
=class="stub"5
6

4.78-2.11-0.89=1.78,
5.4÷0.27=20,0÷1.35×4=0,28÷class="stub"4
7
=49,
class="stub"1
8
÷9×class="stub"1
8
=class="stub"1
64
故答案为:15000,3,class="stub"5
6
,1.78,20,0,49,class="stub"1
64

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