oblicz suma liczb 2 i 3/5 i 3 i 3/4 różnica 3 i 1/3 i 1 i 5/5. i iloczyn 2 5/8 i 4/9. iloraz 1 i 5/9 i 2 i 1/3. ( 0,3) do potęgi 2 i (0,4) do podęgi 3 zad 5 . przedstaw w postaci dziesiętnej 2 i 3/5 ,, 1i 3/4,, 3/8.

2 3/5 + 3 3/4 = 2 12/20 + 3 15/20= 5 27/20= 6 7/20 3 1/3 - 1 5/5 = 3 1/3 - 2 = 1 1/3 2 5/8 * 4 9 = 21/8 * 4/9 = 84/72 = 21/18= 1 3/18 = 1 1/6 1 : 5/9= 9/9 : 5/9 = 9/9 * 9/5=  9/5 = 1 4/5 2 : 1/3=  1/1: 1/3= 2/1 * 3/1= 6/1= 6 0.3 * 0.3 *  =0. 9 0.4*0.4*0.4=0. 64   2 3/5= 2 6/10 = 2.6 1 3/4= 1 75/100= 1.75      

2 3/5  + 3 3/4= 2 12/20 + 3 15/20= 5 27/20= 6 7/20 3 1/3 -1 5/5= 3 1/3 -2= 1 1/3 2 5/8* 4/9=21/8*4/9=21/18=1 3/18= 2 1/6 1 5/9 : 2 1/3= 14/9 * 3/7= 2/3 0,3*0,3= 0,9 0,4*0,4*0,4=0,064 zad 5 2 3/5= 2 6/10= 2,6 1 3/4= 1,75/100= 1,75 3/8= 375/1000=0,375