a: =612-150,45=461,55
b: =872,3-118=754,3
`a)612-(108,38+42,07)`
`=612-150,45`
`=461,55`
_____________________________________________
`b)872,3-24,45-93,55`
`=872,3-(24,45+93,55)`
`=872,3-118`
`=754,3`
\(a,612-\left(108,38+42,07\right)\)
\(=612-150,45\)
\(=461,55\)
\(b,827,3-24,45-93,55\)
\(=827,3-\left(24,45+93,55\right)\)
\(=827,3-118\)
\(=754,3\)
a 612 - (108,38 + 42,07)
= 612 - 150,45
= 461,55
b 872,3 - 24,45 - 93,55
= 872,3 - ( 24,45 + 93,55)
= 872,3 - 118
= 754,3
