( 20,33 + 35,12) x 33 – 45,45 x 23 – 10 x 23
= 55,45 x 33-(45,45 + 10) x 23
= 55,45x 33-55,45 x 77
= 55,45 x ( 33 - 23)
= 55, 45 x 10
= 554,5
( 20,33 + 35,12 ) x 33 - 45,45 x 23 - 10 x 23
= 55,45 x 33 - (45,45 + 10) x 23
= 55,45 x 33 - 55,45 x 77
= 55,45 x ( 33 - 23)
= 55, 45 x 10 = 554,5