题目内容
甲种笔3元钱买4枝,乙种笔3枝4元钱,甲、乙两种笔单价的比是( )
| A.4:3 | B.3:4 | C.4:4 | D.9:16 |
3÷4=
(元)
4÷3=
(元)
:
=(
×12):(
×12)
=9:16;
故选:D.
| 3 |
| 4 |
4÷3=
| 4 |
| 3 |
| 3 |
| 4 |
| 4 |
| 3 |
=(
| 3 |
| 4 |
| 4 |
| 3 |
=9:16;
故选:D.
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题目内容
| A.4:3 | B.3:4 | C.4:4 | D.9:16 |
| 3 |
| 4 |
| 4 |
| 3 |
| 3 |
| 4 |
| 4 |
| 3 |
| 3 |
| 4 |
| 4 |
| 3 |