Ayudaaa
a) −12 + 8
b) (583 ∙ 9) ∙ (−3) = 583 ∙ [9 ∙ (−3)]
c) 93 − 4
d) 8 ∙ (−3 + 2)
e) 36 ÷ (−4)
f) −2 ∙ (5 + 3)