题目内容
计算:
(1)(
-1)2-|2
-3
|-(-
)3;
(2)(
a3x4-0.9ax3)÷
ax3.
(1)(
| 3 |
| 3 |
| 2 |
| 2 |
(2)(
| 6 |
| 5 |
| 3 |
| 5 |
(1)(
-1)2-|2
-3
|-(-
)3;
=3+1-2
+2
-3
+2
,
=4-
;
(2)(
a3x4-0.9ax3)÷
ax3,
=
a3x4÷
ax3-0.9ax3÷
ax3,
=2a2x-
.
| 3 |
| 3 |
| 2 |
| 2 |
=3+1-2
| 3 |
| 3 |
| 2 |
| 2 |
=4-
| 2 |
(2)(
| 6 |
| 5 |
| 3 |
| 5 |
=
| 6 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |
=2a2x-
| 3 |
| 2 |
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