1) Efetue as multiplicações
a) (+8) . (+5) =
b) (-8) . ( -5) =
c) (+8) .(-5) =
d)...
Mathematics, 11.06.2021 19:30 vgh641
1) Efetue as multiplicações
a) (+8) . (+5) =
b) (-8) . ( -5) =
c) (+8) .(-5) =
d) (-8) . (+5) =
e) (-3) . (+9) =
f) (+3) . (-9) =
g) (-3) . (-9) =
h) (+3) . (+9) =
i) (+7) . (-10) =
j) (+7) . (+10) =
k) (-7) . (+10) =
l) (-7) . (-10) =
m) (+4) . (+3) =
n) (-5) . (+7) =
o) (+9) . (-2) =
p) (-8) . (-7) =
q) (-4) . (+6) =
r) (-2) .(-4) =
s) (+9) . (+5) =
t) (+4) . (-2) =
u) (+8) . (+8) =
v) (-4) . (+7) =
w) (-6) . (-6) =
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