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5* 1/15 = 5/15
2 * 3/4 = 6/4 = 2 2/4 = 2 1/2
Zad.16.
... = 25/6+14/6 - 11/6 = 28/6 = 4 4/6 = 4 2/3
b) ... = 23/4 - ( 1/4 + 15/4 ) = 23/4 - 16/4 = 7/4 = 1 3/4
c) ... = 25/4 + ( 36/4 + 15/4 ) = 25/4 + 21/4 = 46/4 = 11 2/4 = 11 1/2
d) ...= 100/10 - 52/10 + 29/10 = 77/10 = 7 7/10
( ZROBIŁAM CI TO OD RÓWNANIA ) MAM NADZIEJĘ ŻE POMOGŁAM LICZĘ NA NAJ