A=1,35 + 1 2/3 + (-1,35)+ 1/3 B= 2/5 . 0,25 -2/5 . 0,75 C= -1 2/3 . 1,75 + (-1 2/3) .0,25

`A=1,35 + 1 2/3 + (-1,35)+ 1/3`

`A=1,35 + 5/3 + (-1,35)+ 1/3`

`A=[1,35 + (-1,35)]+[5/3 + 1/3]`

`A=0+[5/3 + 1/3]`

`A=2`

____________________

`B= 2/5 . 0,25 -2/5 . 0,75`

`B= 2/5 .( 0,25 - 0,75)`

`B= 2/5 .(-0,5)`

`B= -1/5`

____________________

`C= -1 2/3 . 1,75 + (-1 2/3) .0,25`

`C= -5/3 . 1,75 + (-5/3) .0,25`

`C= -5/3 . (1,75 + 0,25)`

`C= -5/3 . 2`

`C= -10/3`

`@Lynacute`