14,66 - 1,26 - 2,66 - 5,74 = 14,66 - 2,66 - ( 1,26 + 5,74 )
= 12 - 7 = 5
174,56 - 45,25 - 44,56 - 15,75 = ( 174,56 - 44,56 ) - ( 45,25 + 15,75 )
= 130 - 61 = 69
13,28 x 9,9 + 1,328 = ( 13,28 - 1,328 ) x 9,9
= 11,952 x 9,9 = 118,3248
24,65 x 9,99 + 0,2465 = ( 24,65 - 0,2465 ) x 9,99
= 243,790965