Matematika 7×-4×9-100:25= -5000:2500×80-25×0 Jawab beserta caranya ya

7x(-4)x9-100:25
= (-28x9):(100:25)
= (-252):(4)
= -63

-5000:2500x80-25x0
=(-5000:2500)x(80)-(25x0)
=(-2)x(80)-0
= -160