题目内容
2(
×
)6+(
)
-4(
)-
-
×80.25+(-2005)0等于( )
| 3 | 2 |
| 3 |
2
|
| 4 |
| 3 |
| 16 |
| 49 |
| 1 |
| 2 |
| 4 | 2 |
| A.120 | B.210 | C.208 | D.以上都不对 |
原式=21+2×33+(2
)
-4×(
)2×(-
)-2
×23×
+1
=8×27+2-4×
-2+1
=210.
故选:B.
| 3 |
| 4 |
| 4 |
| 3 |
| 4 |
| 7 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 4 |
=8×27+2-4×
| 7 |
| 4 |
=210.
故选:B.
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