1. Wykonaj podane działania: a) - 6 i 1/2 : 5 i 1/5 + 2 i 1/4 : (-1 i 1/5)=? b) (1 i 1/4 - 3 i 5/6) * (2 i 3/5 - 1 i 3/4)=? c) (-1 i 3/10 - 2 i 4/5) : (1 i 3/4 - 3 i 5/6)=? d) ( 3 i 1/2 - 5 i 3/4) * (-1 i 3/5 + 23/20)=? e) (1 i 2/3 - 2 i 1/4) * ( 3 i 1/2 - 2 i 3/10) : (-1 i 3/4 - 1 i 1/20)=? f) (-1 i 1/2 - 2 i 2/3) : (1 i 5/6 - 2 i 17/18) : (-1 i 11/12 - 1 i 5/6)=? g) 2 i 2/3 * (-1 i 1/6) * (-2 i 1/4) : (-2 i 4/5 : 3 i 1/3=?
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gregory314
A) = b)= c= (-1 i 3/10-2 i 8/10):(1i 9/12-3i 10/12)=(-3i 11/10):(-2i 1/12)=-41/10:-25/12=-41/10*12/25=246/125 d) = (7/2-23/4)*(-8/5+23/20)=(14/4-23/4)*(-32/20+23/20)=-9/4*-9/4=81/80
b)=
c= (-1 i 3/10-2 i 8/10):(1i 9/12-3i 10/12)=(-3i 11/10):(-2i 1/12)=-41/10:-25/12=-41/10*12/25=246/125
d) = (7/2-23/4)*(-8/5+23/20)=(14/4-23/4)*(-32/20+23/20)=-9/4*-9/4=81/80
e)= (5/3-9/4)(*7/2-23/10):(-35/20-21/20)=-15/12*-12/10:-56/20=3/2:-14/5=3/2*-5/14=-15/28
f) (-3/2-8/3):(11/6-53/18):(-23/12-11/6)=(-9/6-16/6):(33/18-53/18):(-23/12-22/12)=-25/6:-20/18:-45/12=-25/6*-18/20:-45/12=15/4*-12/45=-1
g)= 8/3*-7/6*-9/4:-14/5:10/3=7*5/14:10/3=-5/2:10/3=-5/2*3/10=-3/4