Ж) (1,8-6,03)-(-4,14+2,25-6.03)-4,8= - 4,23 + 7,92 - 4,8 = - 1,11
З) - (5 1/3 - 4 5/16)+2 1/16-(1 2/3-1 5/16+3 11/16) =
= - ( 16/3 - 69/16 ) + 33/16 - ( 5/3 - 21/16 + 59/16 ) =
= - 16/3 + 69/16 + 33/16 - 5/3 + 21/16 - 59/16 =
= - 16/3 - 5/3 + 69/16 + 33/16 + 21/16 - 59/16 =
= -21/3 + 64/16 = - 7 + 4 = - 3