题目内容
计算:
(1)-10+8÷(-2)3-(-2)2×(-3);
(2)-12-[1
+(-12)÷6]2×(-
)3.
(1)-10+8÷(-2)3-(-2)2×(-3);
(2)-12-[1
| 3 |
| 7 |
| 3 |
| 4 |
(1)原式=-10+8÷(-8)-4×(-3)
=-10-1+12
=1;
(2)原式=-1-(1
-2)2×(-
)
=-1-
×(-
)
=-1+
=-
.
=-10-1+12
=1;
(2)原式=-1-(1
| 3 |
| 7 |
| 27 |
| 64 |
=-1-
| 16 |
| 49 |
| 27 |
| 64 |
=-1+
| 27 |
| 196 |
=-
| 169 |
| 196 |
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