题目内容
计算下列各式:
(1)0.064-
-(
)0+16
+(
•
)6;
(2)(log43+log83)(log32+log92).
(1)0.064-
| 1 |
| 3 |
| 7 |
| 8 |
| 3 |
| 4 |
| 2 |
| 3 | 3 |
(2)(log43+log83)(log32+log92).
(1)原式=(0.43)-
-1+(24)
+(2
)6×(3
)6(2分)
=
(2分)
(2)原式=(
log23+
log23)(log32+
log32)(2分)
=
log23×
log32=
(2分)
| 1 |
| 3 |
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 3 |
=
| 163 |
| 2 |
(2)原式=(
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
=
| 5 |
| 6 |
| 3 |
| 2 |
| 5 |
| 4 |
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