2 1/2 x ( 0,15 + 8/15 : 4)-5/24=
2 1/2 x ( 0,15 + 8/15 : 4)-5/24 == 2,5 x ( 0,15 + 8/15 * 1/4) - 5/24 = = 2,5 x ( 0,15 + 2/15) - 5/24 = = 2,5 x ( 15/100 + 2/15) - 5/24 = = 2,5 x ( 45/300 + 40/300) - 5/24 = = 2,5 * 85/300 - 5/24 = = 2,5 * 17/60 - 5/24 = = 25/10 * 17/60 - 5/24 = = 85/120 - 5/24 = = 85/120 - 25/120 == 60/120 = = 0,5
2 1/2 x ( 0,15 + 8/15 : 4)-5/24=2 1/2 x ( 15/100 + 8/15 : 4 ) - 5/24 = 2 1/2 x ( 45/300 + 160/300 : 4 ) - 5/24 = 2 1/2 x ( 205/300 : 4/1 ) - 5/24 = 2 1/2 x ( 205/300 x 1/4 ) - 5/24 = 2 1/2 x 205/1200 - 5/24 = 5/2 x 205/1200 - 5/24 = 205/480 - 5/24 = 205/480 - 100/480= 105/480
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2 1/2 x ( 0,15 + 8/15 : 4)-5/24 =
= 2,5 x ( 0,15 + 8/15 * 1/4) - 5/24 =
= 2,5 x ( 0,15 + 2/15) - 5/24 =
= 2,5 x ( 15/100 + 2/15) - 5/24 =
= 2,5 x ( 45/300 + 40/300) - 5/24 =
= 2,5 * 85/300 - 5/24 =
= 2,5 * 17/60 - 5/24 =
= 25/10 * 17/60 - 5/24 =
= 85/120 - 5/24 =
= 85/120 - 25/120 =
= 60/120 =
= 0,5
2 1/2 x ( 0,15 + 8/15 : 4)-5/24=2 1/2 x ( 15/100 + 8/15 : 4 ) - 5/24 = 2 1/2 x ( 45/300 + 160/300 : 4 ) - 5/24 = 2 1/2 x ( 205/300 : 4/1 ) - 5/24 = 2 1/2 x ( 205/300 x 1/4 ) - 5/24 = 2 1/2 x 205/1200 - 5/24 = 5/2 x 205/1200 - 5/24 = 205/480 - 5/24 = 205/480 - 100/480= 105/480