(lg8+lg1000)lg5+3(lg2)的平方+lg6的-1次方+lg0.006,

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(lg8+lg1000)lg5+3(lg2)的平方+lg6的-1次方+lg0.006,

(lg8+lg1000)lg5+3(lg2)的平方+lg6的-1次方+lg0.006,
(lg8+lg1000)lg5+3(lg2)的平方+lg6的-1次方+lg0.006,

(lg8+lg1000)lg5+3(lg2)的平方+lg6的-1次方+lg0.006,
(lg8+lg1000)lg5+3(lg2)的平方+lg6的-1次方+lg0.006
= (lg2的三次方+lg10的三次方)lg5 + 3(lg2)的平方- lg6 + lg(6/1000)
= (3lg2+3)lg5 + 3(lg2)的平方- lg6 + lg6-lg1000
= 3lg2*lg5 + 3lg5 + 3(lg2)的平方- lg6 + lg6 - 3
= 3lg2*lg5 + 3lg5 + 3(lg2)的平方 - 3
= 3lg2*lg5 + 3(lg2)的平方 + 3lg5 - 3
= 3lg2(lg5+lg2) + 3lg5 - 3
= 3lg2 * lg10 + 3lg5 - 3
= 3lg2 + 3lg5 - 3
= 3(lg2 +lg5) - 3
= 3lg10 - 3
= 3 -3
= 0