㏒34+㏒34等于多少?

㏒34+㏒34等于多少?
2025-01-19 17:18:42
推荐回答(1个)
回答1:

解:
log17=1.2304
lg2=0.3010
lg34+lg34
=2lg34
=2x(lg17+lg2)
=2x(1.2304+0.3010)
=2x1.5314
=3.0628