[tex]1,5\cdot(4\frac{6}{25}-3,967)=1,5\cdot(4\frac{24}{100}-3,967)=\\\\=1,5\cdot(4,240-3,967)=1,5\cdot0,273=\\\\=1\frac{1}{2}\cdot\frac{273}{1000}=\frac{3}{2}\cdot\frac{273}{1000}=\frac{819}{2000}[/tex]
[tex]1,5*(4\frac6{25} - 3,967) = \frac32*(\frac{106}{25}-\frac{3967}{1000}) = \frac32*(\frac{4240}{1000}-\frac{3967}{1000})=\frac32*\frac{273}{1000}=\frac{819}{2000}=\frac{4095}{10000}-0,4095[/tex]
Lub:
[tex]1,5*(4\frac6{25}-3,967)=1,5*(4\frac{24}{100}-3,967)=1,5*(4.24-3.967) = 1.5*0.273=0.4095[/tex]