题目内容
填空:
(1)5×(-4)=______;(2)(-6)×4=______;(3)(-7)×(-1)=______;
(4)(-5)×0=______;(5)
×(-
)=______;(6)(-
)×(-
)=______;
(7)(-3)×(-
)=______.
(1)5×(-4)=______;(2)(-6)×4=______;(3)(-7)×(-1)=______;
(4)(-5)×0=______;(5)
| 4 |
| 9 |
| 3 |
| 2 |
| 1 |
| 6 |
| 2 |
| 3 |
(7)(-3)×(-
| 1 |
| 3 |
(1)5×(-4)=-20;
(2)(-6)×4=-24;
(3)(-7)×(-1)=7;
(4)(-5)×0=0;
(5)
×(-
)=-
;
(6)(-
)×(-
)=
;
(7)(-3)×(-
)=1.
故答案为:-20;-24; 7; 0;-
;
;1.
(2)(-6)×4=-24;
(3)(-7)×(-1)=7;
(4)(-5)×0=0;
(5)
| 4 |
| 9 |
| 3 |
| 2 |
| 2 |
| 3 |
(6)(-
| 1 |
| 6 |
| 2 |
| 3 |
| 1 |
| 9 |
(7)(-3)×(-
| 1 |
| 3 |
故答案为:-20;-24; 7; 0;-
| 2 |
| 3 |
| 1 |
| 9 |
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