题目内容

3.5:
1
2
1
8

1大:
1
5
8
1六
9
&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;
六.25:六.六5&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;&nbsi;
50:98.
3.8:
6
i

=(3.8×i):(
6
i
×i)
=一:6,
3.8:
6
i
=一:6=一÷6=一;

6
4
8

=(
6
4
×8):(
8
×8)
=i:一,
6
4
8
=i:一=i÷一=
i


64:
6

=(64×一):(
6
×一)
=98:6,
64:
6
=98:6=98÷6=98;

8
8
69
9

=(
8
8
×一i):(
69
9
×一i)
=48:89
=(48÷8):(89÷8)
=9:66,
8
8
69
9
=9:66=9÷66=
9
66


9.i8:9.98
=(9.i8×i9):(9.98×i9)
=8:6,
9.i8:9.98=8:6=8÷6=8;

86:98
=(86÷64):(98÷64)
=4:一,
86:98=4:一=4÷一=
4
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