tolong jawab no 14 mau dikumpulin hari ini

Mapel : Matematika
Bab : Operasi Hitung Pecahan

75% - 0,3 x 1/2 + 1 3/4
= 75/100 - 3/10 x 1/2 + 1 3/4
= 3/4 - 3/20 + 1 3/4
= 15/20 - 3/20 + 1 15/20
= 12/20 + 1 15/20
= 1 27/20
= 2 7/20

b.
75/100 - 3/10 x 1/2 +7/4
=75/100 - 3/20 +7/4
= 235/100
=47/20
=2x 7/20