题目内容
3.5:
:
1大:
:
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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.
| 1 |
| 2 |
| 1 |
| 大 |
| 九 |
| 8 |
1大:
| 1 |
| 九 |
| 5 |
| 8 |
| 1六 |
| 9 |
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:
=(3.8×i):(
×i)
=一:6,
3.8:
=一:6=一÷6=一;
:
=(
×8):(
×8)
=i:一,
:
=i:一=i÷一=
;
64:
=(64×一):(
×一)
=98:6,
64:
=98:6=98÷6=98;
:
=(
×一i):(
×一i)
=48:89
=(48÷8):(89÷8)
=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=
.
| 6 |
| i |
=(3.8×i):(
| 6 |
| i |
=一:6,
3.8:
| 6 |
| i |
| 6 |
| 4 |
| 一 |
| 8 |
=(
| 6 |
| 4 |
| 一 |
| 8 |
=i:一,
| 6 |
| 4 |
| 一 |
| 8 |
| i |
| 一 |
64:
| 6 |
| 一 |
=(64×一):(
| 6 |
| 一 |
=98:6,
64:
| 6 |
| 一 |
| 8 |
| 8 |
| 69 |
| 9 |
=(
| 8 |
| 8 |
| 69 |
| 9 |
=48:89
=(48÷8):(89÷8)
=9:66,
| 8 |
| 8 |
| 69 |
| 9 |
| 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 |
| 一 |
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