Pas de rekenregels toe en bereken
- \(\log 50 + \log0,0002\)
- \(\log 25 + \log0,004\)
- \(\log 50 + \log0,2\)
- \(\log 200000 - \log20\)
- \(\log 2 + \log0,005\)
- \(\log 0,2 + \log0,05\)
- \(\log 5 + \log200\)
- \(\log 0,008 - \log0,8\)
- \(\log 10 + \log100\)
- \(\log 800 - \log0,8\)
- \(\log 0,2 - \log2\)
- \(\log 2 + \log5000\)
Pas de rekenregels toe en bereken
Verbetersleutel
- \(\log 50 + \log0,0002\\ = \log(50 \cdot 0,0002 )
\\ = \log ( 0,01)
\\ =-2\)
- \(\log 25 + \log0,004\\ = \log(25 \cdot 0,004 )
\\ = \log ( 0,1)
\\ =-1\)
- \(\log 50 + \log0,2\\ = \log(50 \cdot 0,2 )
\\ = \log ( 10)
\\ =1\)
- \(\log 200000 - \log20\\ = \log(200000 : 20 )
\\ = \log ( 10000)
\\ =4\)
- \(\log 2 + \log0,005\\ = \log(2 \cdot 0,005 )
\\ = \log ( 0,01)
\\ =-2\)
- \(\log 0,2 + \log0,05\\ = \log(0,2 \cdot 0,05 )
\\ = \log ( 0,01)
\\ =-2\)
- \(\log 5 + \log200\\ = \log(5 \cdot 200 )
\\ = \log ( 1000)
\\ =3\)
- \(\log 0,008 - \log0,8\\ = \log(0,008 : 0,8 )
\\ = \log ( 0,01)
\\ =-2\)
- \(\log 10 + \log100\\ = \log(10 \cdot 100 )
\\ = \log ( 1000)
\\ =3\)
- \(\log 800 - \log0,8\\ = \log(800 : 0,8 )
\\ = \log ( 1000)
\\ =3\)
- \(\log 0,2 - \log2\\ = \log(0,2 : 2 )
\\ = \log ( 0,1)
\\ =-1\)
- \(\log 2 + \log5000\\ = \log(2 \cdot 5000 )
\\ = \log ( 10000)
\\ =4\)