题目内容
计算:
(1)(
b-
)-
×
÷
(其中a>0,b>0);
(2)(0.0081)-
-[3×(
)0]×[81-0.25+(
)-
]-
-10×(0.027)
.
(1)(
| 5 | a6 |
| 3 |
| 2 |
| 1 |
| 2 |
| 5 | a3 |
| 4 | b3 |
(2)(0.0081)-
| 1 |
| 4 |
| 5 |
| 6 |
| 27 |
| 8 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
(1)原式=(a
b-
)-
×a
÷b
=a-
b
×a
÷b
=1;
(2)原式=(0.3)4×(-
)-3×[(34)-
+(
)-3×(-
)]-
-10×(0.3)3×
=
-3(
+
)-
-3=-
.
| 6 |
| 5 |
| 3 |
| 2 |
| 1 |
| 2 |
| 3 |
| 5 |
| 3 |
| 4 |
| 3 |
| 5 |
| 3 |
| 4 |
| 3 |
| 5 |
| 3 |
| 4 |
(2)原式=(0.3)4×(-
| 1 |
| 4 |
| 1 |
| 4 |
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 10 |
| 3 |
| 1 |
| 3 |
| 2 |
| 3 |
| 1 |
| 2 |
| 8 |
| 3 |
练习册系列答案
相关题目