题目内容
计算:
(1)375÷(-
)÷(-
);
(2)3×(-4)+(-28)÷7;
(2)42×(-
)+(-
)÷(-0.25);
(4)(-1155)÷[(-11)×(+3)×(-5)].
(1)375÷(-
| 2 |
| 3 |
| 2 |
| 3 |
(2)3×(-4)+(-28)÷7;
(2)42×(-
| 2 |
| 3 |
| 3 |
| 4 |
(4)(-1155)÷[(-11)×(+3)×(-5)].
(1)原式=375×(-
)×(-
)=
;
(2)原式=-12-4=-16;
(3)原式=-28+3=-25;
(4)原式=-1155÷165=-7.
| 3 |
| 2 |
| 3 |
| 2 |
| 3375 |
| 4 |
(2)原式=-12-4=-16;
(3)原式=-28+3=-25;
(4)原式=-1155÷165=-7.
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