数学计算求解函数log~~!!!!!!!!!!!!!!!!!!!!!
计算(1)log327+lg1002+log21(2)lg5+lg2+log218-log29(3)lne3+2log26(4)log89×log2732...
计算
(1)log327+ lg 1002+ log21 (2)lg 5+lg 2+ log2 18-log2 9
(3)ln e 3 +2 log2 6 (4) log8 9×log27 32 展开
(1)log327+ lg 1002+ log21 (2)lg 5+lg 2+ log2 18-log2 9
(3)ln e 3 +2 log2 6 (4) log8 9×log27 32 展开
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计算
(1)log₃27+lg 100 ²+log₂1= log₃3 ³+lg10 ⁴+0=3+4=7
(2)lg 5+lg 2+ log₂18-log₂9 =lg10+log₂2=1+1=2
(3)lne ³+2 log ₂6 = 3+2(1+log₂3)=5+2log ₂3
(4) log₈9×log ₂₇32=[(2/3)log₂3]×[(5/3)log₃2]=(10/9)[log₂3]×[1/(log₂3)=10/9
(1)log₃27+lg 100 ²+log₂1= log₃3 ³+lg10 ⁴+0=3+4=7
(2)lg 5+lg 2+ log₂18-log₂9 =lg10+log₂2=1+1=2
(3)lne ³+2 log ₂6 = 3+2(1+log₂3)=5+2log ₂3
(4) log₈9×log ₂₇32=[(2/3)log₂3]×[(5/3)log₃2]=(10/9)[log₂3]×[1/(log₂3)=10/9
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