题目内容
计算:
(1)(-0.75)÷
÷(-0.3);(2)(-0.33)÷(-
)÷(-11).
(1)(-0.75)÷
| 5 |
| 4 |
| 1 |
| 3 |
(1)(-0.75)÷
÷(-0.3),
=
×
×
,
=2;
(2)(-0.33)÷(-
)÷(-11),
=(-
)×(-3)×(-
),
=-
.
| 5 |
| 4 |
=
| 3 |
| 4 |
| 4 |
| 5 |
| 10 |
| 3 |
=2;
(2)(-0.33)÷(-
| 1 |
| 3 |
=(-
| 33 |
| 100 |
| 1 |
| 11 |
=-
| 9 |
| 100 |
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