13,25 : 0,5 + 13,25 : 0,2 + 13,25 : 0,25
= 13,25 \(\times\) 2 + 13,25 \(\times\) 5 + 13,25 \(\times\) 4
= 13,25 \(\times\) 2 + 13,25 \(\times\) 5 + 13,25 \(\times\) 3 + 13,25
= 13,25 \(\times\) ( 2 + 5 + 3) + 13,25
= 13,25 x 10 + 13,25
= 132,5 + 13,25
= 145,75
`13,25:0,5+13,25:0,2+13,25:0,25`
`= 13,25 xx 2 + 13,25 xx 5 + 13,25 xx4`
`= 13,25 xx (2+5+4)`
`= 13,25 xx 11`
`=583/4`