OBLICZ!!!!! 2 1/2:1/13+3 3/4*4 1/5= (2 1/2-1 3/4)*1 1/3= BARDZO PROSZĘ O SZYBKĄ POMOC JESTEM TU NOWA
2 1/2:1/13+3 3/4*4 1/5= 5/2*13/1+15/4*21/5=65/2+63/4=130/4+63/4=193/4=48 1/4
(2 1/2-1 3/4)*1 1/3=(5/2-7/4)*4/3=3/4*4/3=1
wydaje mi sie ze to tak:
2 1/2:1/13+3 3/4*4 1/5=21/2*13/1+15/4*21/5=273/2+63/4=546/4+63/4=609/4=152 1/4
(2 1/2-1 3/4)*1 1/3=(42/4-7/4)*4/3= 35/2*4/3=70/3=23 1/3
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2 1/2:1/13+3 3/4*4 1/5= 5/2*13/1+15/4*21/5=65/2+63/4=130/4+63/4=193/4=48 1/4
(2 1/2-1 3/4)*1 1/3=(5/2-7/4)*4/3=3/4*4/3=1
wydaje mi sie ze to tak:
2 1/2:1/13+3 3/4*4 1/5=21/2*13/1+15/4*21/5=273/2+63/4=546/4+63/4=609/4=152 1/4
(2 1/2-1 3/4)*1 1/3=(42/4-7/4)*4/3= 35/2*4/3=70/3=23 1/3