题目内容
计算与化简:
(1)计算:4+(-2)2×2-(-36)÷4
(2)计算:(-2)3-
×5-
×(-32)
(3)化简:3(3a-2b)-2(a-3b)
(1)计算:4+(-2)2×2-(-36)÷4
(2)计算:(-2)3-
| 1 |
| 6 |
| 1 |
| 6 |
(3)化简:3(3a-2b)-2(a-3b)
(1)原式=4+4×2-(-9)
=4+8+9
=17;
(2)原式=-8-
-(-
)
=-8-
+
=-
;
(3)原式=9a-6b-2a+6a
=7a.
=4+8+9
=17;
(2)原式=-8-
| 5 |
| 6 |
| 3 |
| 2 |
=-8-
| 5 |
| 6 |
| 3 |
| 2 |
=-
| 22 |
| 3 |
(3)原式=9a-6b-2a+6a
=7a.
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