lg2+lg5-log2(3)乘log3(2)
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lg2+lg5-log2(3)乘log3(2)
lg2+lg5-log2(3)乘log3(2)
lg2+lg5-log2(3)乘log3(2)
lg2+lg5=lg10=1
log2(3)乘log3(2)=1
lg2+lg5-log2(3)乘log3(2)=0
lg2+lg5=lg10=1
log2(3)*log3(2)=log6(6)=1
所以原式=0
lg2+lg5=lg10=1
log2(3)乘log3(2)=1
lg2+lg5-log2(3)乘log3(2)=0