Odpowiedź:
Szczegółowe wyjaśnienie:
22) =35/4 * 37/17 = 1295 / 68 = 19 3/68
23)=(5 - 7/6 * 6/7 ): 3/7 = 4 * 7/3 = 28/3 = 9 1/3
24) =2 4/8 + 1 5/8 + 6/8 = 3 15/8= 4 7/8
25) = 3/4
26) =5/3 * 17/15 = 17/9 = 1 8/9
27) = 11/6 * 1/11 = 1/6
28) = 2 2/3 -( 15/8 * 6/5 + 2 5/6 ) = 2 2/3 - ( 18/8 +2 5/6) = 2 2/3 - (54/24+ 2 20/24) = 2 16/24 - 2 74/24 = - 58/24 = - 2 10/24 = - 2 5/12
29) 3 2/3 +( 28/20 * 21/5 - 5/16) = 3 2/3 + (588/100 - 0,3125) = 3 2/3 + 5,5657
30) =17/12 * 8/12 ) - ( 12/13 * 8/7) = ( 17/3 * 1/6) -( 96/91) = 17/18 - 1 5/91 =
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Odpowiedź:
Szczegółowe wyjaśnienie:
22) =35/4 * 37/17 = 1295 / 68 = 19 3/68
23)=(5 - 7/6 * 6/7 ): 3/7 = 4 * 7/3 = 28/3 = 9 1/3
24) =2 4/8 + 1 5/8 + 6/8 = 3 15/8= 4 7/8
25) = 3/4
26) =5/3 * 17/15 = 17/9 = 1 8/9
27) = 11/6 * 1/11 = 1/6
28) = 2 2/3 -( 15/8 * 6/5 + 2 5/6 ) = 2 2/3 - ( 18/8 +2 5/6) = 2 2/3 - (54/24+ 2 20/24) = 2 16/24 - 2 74/24 = - 58/24 = - 2 10/24 = - 2 5/12
29) 3 2/3 +( 28/20 * 21/5 - 5/16) = 3 2/3 + (588/100 - 0,3125) = 3 2/3 + 5,5657
30) =17/12 * 8/12 ) - ( 12/13 * 8/7) = ( 17/3 * 1/6) -( 96/91) = 17/18 - 1 5/91 =