a) 22,5
b) 90,75
c) tu niewiem chyba coś źle napisałeś wychodzi mi -41/44
d) zobacz co napisałeś 6 i 3/4 : 4 i 12 ??????
10 : 2/3 x 1 1/2 = 10 x 3/2 x 3/2 = 15 x 3/2 = 45/2 = 22 i 1/2
12 x 2 3/4 x 2 3/4 = 12 x 11/4 x 11/4 = 33 x 11/4 = 363/4 = 90 i 3/4
4 1/2 : 11/2 - 1 3/4 = 9/2 x 2/22 - 7/4 = 9/22 - 7/4 = 18/44 - 77/44 = -59/44 = -1 i 15/44
20 - 6 3/4 : 4 1/2 = 20 - 27/4 : 9/2 = 20 - 27/4 x 2/9 = 20 - 3/2 = 18 i 1/2
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a) 22,5
b) 90,75
c) tu niewiem chyba coś źle napisałeś wychodzi mi -41/44
d) zobacz co napisałeś 6 i 3/4 : 4 i 12 ??????
10 : 2/3 x 1 1/2 = 10 x 3/2 x 3/2 = 15 x 3/2 = 45/2 = 22 i 1/2
12 x 2 3/4 x 2 3/4 = 12 x 11/4 x 11/4 = 33 x 11/4 = 363/4 = 90 i 3/4
4 1/2 : 11/2 - 1 3/4 = 9/2 x 2/22 - 7/4 = 9/22 - 7/4 = 18/44 - 77/44 = -59/44 = -1 i 15/44
20 - 6 3/4 : 4 1/2 = 20 - 27/4 : 9/2 = 20 - 27/4 x 2/9 = 20 - 3/2 = 18 i 1/2