oblicz:
a. (2-1/6)*3/11-(6-11)*0,3=
b. 4/5-(1,2*5/12-0,8):(-1/2)do 3=
c. 1 i 1/3*pierwiaztek z 16/9-1 i 1/3/1/9-0,6:1,8
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a. (2-1/6)*3/11-(6-11)*0,3=
=11/6*3/11-(-1.5)=0,5+1,5=2
b. 4/5-(1,2*5/12-0,8):(-1/2)do 3=
=4/5-(0,5-0,8):(-1/8)=4/5-(-3/10)*(-8/1)=4/5-12/5=-8/5=-1i3/5
c. 1 i 1/3*pierwiaztek z 16/9-1 i 1/3/1/9-0,6:1,8=
=4/3*4/3-1/3*9/1-1/3=16/9-27/9-3/9=-14/9=-1i5/9
a) (2-1/6)*3/11-(6-11)*0,3= 1 5/6 *3/11 -5 * 0,3 =3/6 * 1,5 =-1
b ) 4/5-(1,2*5/12-0,8):(-1/2)do 3= 4/5- ( 0,5 -0,8) : (-0,125) = 4/5 - 0,3 : (- 0,125)= 4/5 -2,4 = -1,6