题目内容
计算:
(1)8+(-
)-5-(-0.25)
(2)-22+6÷
×4+(-1)4.
(1)8+(-
| 1 |
| 4 |
(2)-22+6÷
| 1 |
| 2 |
(1)原式=(8-5)+(-
+0.25)
=3+0
=3;
(2)原式=-4+6×2×4+1
=4+48+1
=53.
| 1 |
| 4 |
=3+0
=3;
(2)原式=-4+6×2×4+1
=4+48+1
=53.
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