口算小博士.34×12=67÷2=80%-20%=4×25%+16×25%=67×16=58×72%=45×38÷35=57×98÷57×98=-数学

题目简介

口算小博士.34×12=67÷2=80%-20%=4×25%+16×25%=67×16=58×72%=45×38÷35=57×98÷57×98=-数学

题目详情

口算小博士.
3
4
×
1
2
=
6
7
÷2=
80%-20%=4×25%+16×25%=
6
7
×
1
6
=
5
8
×72%=
4
5
×
3
8
÷
3
5
=
5
7
×
9
8
÷
5
7
×
9
8
=
题型:解答题难度:中档来源:不详

答案

class="stub"3
4
×class="stub"1
2
=class="stub"3
8
class="stub"6
7
÷2=class="stub"3
7
80%-20%=0.6,4×25%+16×25%=5,
class="stub"6
7
×class="stub"1
6
=class="stub"1
7
class="stub"5
8
×72%=0.45,
class="stub"4
5
×class="stub"3
8
÷class="stub"3
5
=class="stub"1
2
class="stub"5
7
×class="stub"9
8
÷class="stub"5
7
×class="stub"9
8
=class="stub"81
64
故答案为:class="stub"3
8
class="stub"3
7
,0.6,5,class="stub"1
7
,0.45,class="stub"1
2
class="stub"81
64

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