题目内容
计算:
(1)(-8)-(-1);
(2)(-5)÷(-
);
(3)(-
)×(-
)×0×
;
(4)(-2)3-32;
(5)13+(-56)+47+(-34);
(6)(
-
-
)×(-24).
(1)(-8)-(-1);
(2)(-5)÷(-
| 5 |
| 4 |
(3)(-
| 14 |
| 13 |
| 16 |
| 7 |
| 4 |
| 3 |
(4)(-2)3-32;
(5)13+(-56)+47+(-34);
(6)(
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 3 |
(1)原式=-8+1=-7;
(2)原式=(-5)×(-
)=4;
(3)原式=0;
(4)原式=(-8)-32=-40;
(5)原式=13-56+47-34=60-90=-30;
(6)原式=-20+18+8=6.
(2)原式=(-5)×(-
| 4 |
| 5 |
(3)原式=0;
(4)原式=(-8)-32=-40;
(5)原式=13-56+47-34=60-90=-30;
(6)原式=-20+18+8=6.
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