Nomer 4 a b c d…….???
Jawaban Terkonfirmasi
A. 3/8 -1/4 =3/8 -1×2/2×4 = 3/8 -2/8 =1/8
b. 7/30 + 3/20 -4×4+1/4 = 7×2/30×2 + 3×3/20×3-17×15/4×15
=14/60+9/60-255/60 = -232/60=-58/15
c. 7×3+1/3 -6×8+7/8 =22×8/3×8-55×3/8×3 = 176-165/24 = 11/24
d. 4×6/9×6 + 11×3/18×3 +5×2/27×2 – (4×3+2)x18/3×18
=24/54+33/54+10/54-252/54 =(24+33+10-252)/54=67-252/54 =-185/54