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计算.(1)[12523+(116)-12+7]12(2)(214)12+20150-(338)23(3)2log525-3log232(4)log2716log38.
题目详情
计算.
(1)[125
+(
) -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
+(
) -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
+(
) -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
+(
) -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
+(
) -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
2 3 2 2 3 3
) -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
1 16 1 1 16 16 -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
. -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
. -
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.-
+7]
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
1 2 1 1 2 2
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
(2)(2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
1 2 1 1 2 2
)
+20150-(3
)
(3)2log525-3log232
(4)
.
1 4 1 1 4 4
+20150-(3
)
(3)2log525-3log232
(4)
.
+20150-(3
)
(3)2log525-3log232
(4)
.
+20150-(3
)
(3)2log525-3log232
(4)
.
+20150-(3
)
(3)2log525-3log232
(4)
.
1 2 1 1 2 2 0
)
(3)2log525-3log232
(4)
.
3 8 3 3 8 8
(3)2log525-3log232
(4)
.
(3)2log525-3log232
(4)
.
(3)2log525-3log232
(4)
.
(3)2log525-3log232
(4)
.
2 3 2 2 3 3
52
.
log2716 log38 log2716 log2716 log2716log27162716log38 log38 log38log3838
(1)[125
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
16 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
1 |
2 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
3 |
8 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
(3)2log525-3log232
(4)
log2716 |
log38 |
2 |
3 |
52
log2716 |
log38 |
log2716 |
log38 |
▼优质解答
答案和解析
(1)[125
+(
) -
+7]
=[25+4+7]
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
+(
) -
+7]
=[25+4+7]
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
2 3 2 2 23 3 3+(
) -
+7]
=[25+4+7]
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
1 16 1 1 116 16 16) -
+7]
=[25+4+7]
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
. -
+7]
=[25+4+7]
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
. -
1 2 1 1 12 2 2+7]
=[25+4+7]
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
=[25+4+7]
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
1 2 1 1 12 2 2
=[25+4+7]
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
1 2 1 1 12 2 2
=6.
(2)(2
)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
1 4 1 1 14 4 4)
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
+20150-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
1 2 1 1 12 2 2+201500-(3
)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
3 8 3 3 38 8 8)
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
2 3 2 2 23 3 3
=
+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
3 2 3 3 32 2 2+1-
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
9 4 9 9 94 4 4
=
.
(3)2log525-3log232
=4-3×5
=-11.
(4)
=
=
.
1 4 1 1 14 4 4.
(3)2log5525-3log2232
=4-3×5
=-11.
(4)
=
=
.
log2716 log38 log2716 log2716 log27162716log38 log38 log3838=
=
.
log323log32
log32
log32
4 3 4 4 43 3 3log32323log32 3log32 3log3232=
.
4 9 4 4 49 9 9.
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
=[25+4+7]
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
=[25+4+7]
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
2 |
3 |
1 |
16 |
1 |
2 |
1 |
2 |
=[25+4+7]
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
16 |
1 |
2 |
1 |
2 |
=[25+4+7]
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
2 |
1 |
2 |
=[25+4+7]
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
2 |
1 |
2 |
=[25+4+7]
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
2 |
=[25+4+7]
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
2 |
=[25+4+7]
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
2 |
=6.
(2)(2
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
4 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
2 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
3 |
8 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
2 |
3 |
=
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
3 |
2 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
9 |
4 |
=
1 |
4 |
(3)2log525-3log232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
1 |
4 |
(3)2log5525-3log2232
=4-3×5
=-11.
(4)
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
log2716 |
log38 |
| ||
3log32 |
4 |
9 |
| ||
3log32 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
9 |
4 |
9 |
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