( 125 x 0,75 + 125 x 25% ) x ( 9 x 11 - 0,9 x100 - 0,9 x10)
=( 125 x 0,75 + 125 x 25% ) x 0
= 0
(125*0,75+125*25%)*(9*11-0,9*100-0,9*10)
=125*(0,75+0,25)*9(11-10-1)
=125*1*9*0=0
`(125xx0,75+125xx25%)xx(9xx11-0,9xx100-0,9xx10)`
`=(125xx0,75+125xx0,25)xx(9xx11-9xx10-9xx1)`
`=(125xx(0,75+0,25))xx(9xx(11-10-1))`
`=(125xx1)xx(9xx0)`
`=125xx0`
`=0`
`@An`
\(\left(125\times0,75+125\times25\%\right)\times\left(9\times11-0,9\times100-0,9\times10\right)\)
\(=\text{}\left(125\times0,75+125\times0,25\right)\times\left(99-90-9\right)\)
\(=\text{[125(0,75+0,25)]}\times0\)
\(=\left(125\times1\right)\times0\)
\(=125\times0\)
\(=0\)
