42-90:45+20x(-3)= tolong di jawab yah thx

Jawaban:

-20

Penjelasan dengan langkah-langkah:

=42 – 1. 90/45 + 20 ×(-3)

= 42 – 1. 2 + 20×(-3)

= -60× +40

= -20

42-90:45+20x(-3)= -20