Proszę was o rozwiązanie tego dokładne i poprawne!! Trzeba rozpisać. DAM NAJ!!
Nie było mnie na lekcjii..
3 1/5 + 4/7 x 2 1/3 =
4 2/3 : 2 5/8 + 7/8 x 4/21 =
5/6 x 3/4 : 8/9 =
4/9 : 5/12 x 15/28 =
6 1/2 x 4/13 - 8/15 : 2 =
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3 1/5 + 4/7 x 2 1/3 = 16/5 + 4/7 * 7/3= 16/5 + 4/3 = 48/15 + 20/15=68/15 = 4 8/15
4 2/3 : 2 5/8 + 7/8 x 4/21 = 14/3 : 21/8 + 1/6 = 14/3 * 8/21 + 1/6 = 16/9 + 3/18 = 32/18 + 3/18= 35/18 = 1 17/18
5/6 x 3/4 : 8/9 = 5/8* 9/8 = 45/64
4/9 : 5/12 x 15/28 = 4/9 : 75/336 = 4/9 * 336/75 = 448/225 = 1 223/225
6 1/2 x 4/13 - 8/15 : 2 = 13/2 * 4/13 - 8/15 * 1/2 = 26/13 - 4/15 = 390/195 - 52/195 = 338/195 = 1 143/195