obliczcie!!!!!!
11:8 1/4=
8/11:12=
9/14:6/21=
1 3/5:4 4/7
pllllllliiiiiiiiiiiiiisssssssssssssskkkkkkkkkaaaaaaaaaaaaa!!!szybko!!!!!!!!!!!!!
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11/8* 1/4= 11/24
8/11: 12= 8/11*1/12= 16,5
9/14: 6/21= 9/14* 21/6= 2 13/84
Pozwoliłem oznaczyć te zadania literkami a,b,... po kolei, a więc:
a)11: 8 1/4 = 11 * 4/33 = 44/33= 1 1/3
b)8/11 * 1/12 = 8/132
c)9/14 * 21/6 = 2 1/4
d)8/5 * 7/32 = 56/160 = 28/90 = 14/45