题目内容
40÷
÷25=( )
| 1 |
| 25 |
| A.40 | B.4 | C.400 |
40÷
÷25,
=40×25×
;
=40×(25×
),
=40×1,
=40.
故选:A.
| 1 |
| 25 |
=40×25×
| 1 |
| 25 |
=40×(25×
| 1 |
| 25 |
=40×1,
=40.
故选:A.
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题目内容
| 1 |
| 25 |
| A.40 | B.4 | C.400 |
| 1 |
| 25 |
| 1 |
| 25 |
| 1 |
| 25 |