题目内容
根据1.8×a=b÷
=c×
=d÷1
,下列排序正确的是( )
| 3 |
| 5 |
| 3 |
| 4 |
| 3 |
| 4 |
令1.8×a=b÷
=c×
=d÷1
=1,
则令1.8×a=1,a=
=
,
b÷
=1,b=
=
,
c×
=1,c=
=
,
d÷1
=1,d=
=
,
且
<
<
<
,
所以a<b<c<d;
故选:A.
| 3 |
| 5 |
| 3 |
| 4 |
| 3 |
| 4 |
则令1.8×a=1,a=
| 5 |
| 9 |
| 25 |
| 45 |
b÷
| 3 |
| 5 |
| 3 |
| 5 |
| 27 |
| 45 |
c×
| 3 |
| 4 |
| 4 |
| 3 |
| 16 |
| 12 |
d÷1
| 3 |
| 4 |
| 7 |
| 4 |
| 21 |
| 12 |
且
| 25 |
| 45 |
| 27 |
| 45 |
| 16 |
| 12 |
| 21 |
| 12 |
所以a<b<c<d;
故选:A.
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