lg25+(2/3)lg8+lg5*lg20+lg2²
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![lg25+(2/3)lg8+lg5*lg20+lg2²](/uploads/image/z/6770659-67-9.jpg?t=lg25%2B%282%2F3%29lg8%2Blg5%2Alg20%2Blg2%26sup2%3B)
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lg25+(2/3)lg8+lg5*lg20+lg2²
lg25+(2/3)lg8+lg5*lg20+lg2²
lg25+(2/3)lg8+lg5*lg20+lg2²
lg25+(2/3)lg8+lg5*lg20+lg2²
=lg25+lg8^(2/3)+lg5*lg20+lg4
=lg25+lg4+lg5*(lg2+lg10)+lg4
=lg100+lg5*lg2+lg5+lg4
=2+lg5*lg2+lg20
=2+lg5*lg2+lg2+lg10
=3+lg2*(lg5+1)
=3+lg2*lg50