/- kreska ułamkowa 1i7/8 * (-6) -1i3/4:8 1i1/3*0,5 -1,5:(-2i1/3) -1i3/4+7i1/5 -2i3/8-1/12 -0,75-(1i2/3) proszę o dokładne obliczenia a nie tylko odpowiedzi. Dam najlepszą!

1)=15/8*(-6)=15/8*(-6/1)=-45/4=-11i 1/4 2)=-7/4:8/1=-7/4*1/8=-7/32 3)=4/3*5/10=10/15=2/3 4)=-15/10:(-7/3)=-15/10*(-3/7)=45/70=9/14 5)=-7/4+36/5=-35/20+144/20=109/20=5 i 9/20 6)=-19/8-1/12=-114/48-4/48=-118/48=-2 i 22/48=-2 i 11/24 7)=-75/100-5/3=-225/300-500/300=-725/300=-2 i 125/300=-2 i 25/60=-2 i 5/12

1 i 7/8 * (-6) = = 15/8 * (-6) = = 45/4 = = -11 i 1/4 -1 i 3/4 : 8 = = -7/4 * 1/8 = = -7/28 = = - 0,25 1 i 1/3 * 0,5 = = 4/3 * 1/2 = = 2/3 -1,5 : (-2 i 1/3) = = -15/10 : (-7/3) = = -15/10 * (-3/7) = = 45/70 = = 9/14 -1 i 3/4 + 7 i 1/5 = = -7/4 + 36/5 = = -35/20 + 144/20 = = 109/20 = = 5 i 9/20 -2 i 3/8 - 1/12 = = -19/8 - 1/12 = = -57/24 - 2/24 = = -59/24 = = -2 i 11/24 -0,75 - (1 i 2/3) = = -3/4 - 5/3 = = - 9/12 - 20/12 = = -29/12 = = -2 i 5/12