Respuesta :

sagar66

Answer:

a)12

b)1297.8( not sure for this)

c)77

d)1989

Step-by-step explanation:

12÷3+(4×2)

12÷3+8

4+8

12.

309×152÷(12×3)

309×152÷36

309×4.2

1297.8.

1988-1911

77

2021-(16×2)

2021-32

1989

if it helps don't forget to like and Mark me

aliciawallace90

Answer:

12, 1266.66 , 77 & 1989.

Step-by-step explanation:

12÷3+(4x2)= 12

300 x 152÷(12x3)= 1266.66

1988-1911= 77

2021-(16x2)= 1989