------- <---kreska ułamkowa a) (-1/2):(-2)-5/36 ---------------------- +4:(2,5)= (-1):(-9) b) (5/6):2,5-(2,25)x1/9 ------------------------------= 0,2-( (-1)) pilnie:) dziekuje:):*

(-1/2)*(-1/2)-5/36 -----------------------+4:5/2= (-1):(-9) 1/4-5/36 ------------+4*2/5= 1/9 9/36-5/36 ------------+8/5 1/9 4/36*9/1+8/5=1+8/5=2 3/5 5/6*2/5-9/4*1/9 --------------------= 0,2+1 2/6-1/4 ----------= 12/10 4/12-3/12 ------------= 12/10 1/12*10/12=10/144=5/77

1/4-5/36=1/36 ....................=9/36+4:(2,5)=9/36+1,6=1/4+1,6=1,85 1/9 1/3-(2,25)×1/9=1/3-3=(-2 i 2/3) ......................................=(2 i 2/9) 1,2