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
=
3
4
×
1
2
=
3
8
,
6
7
÷2=
3
7
,
80%-20%=0.6, 4×25%+16×25%=5,
6
7
×
1
6
=
1
7
,
5
8
×72%=0.45,
4
5
×
3
8
÷
3
5
=
1
2
,
5
7
×
9
8
÷
5
7
×
9
8
=
81
64
故答案為:
3
8
,
3
7
,0.6,5,
1
7
,0.45,
1
2
,
81
64
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科目:小學(xué)數(shù)學(xué) 來源: 題型:

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
=

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