b) +24–(–7)•(+12)=
+24–(–84)=+108
c) –36+(–5)•(+24)=
–36+(–120)=–156
d) +36–(–3)•(–16)=
+36–(+48)=–12
e) (–5)•(+13)–53=
-65–53=–118
f) (+5)•(–14)–24=
–70–24=–94
g) (–3)•(–23)–18=
69–18=51
h) (–7)•(+23)–(–5)
–161–(–5)=–156
Minus cu minus face plus.
Plus cu minus face minus.
