Resolva as expressões numéricas: a) 371 x (5 - 3) =
b) 961 x( 3 + 5)=
c) (280+37)x 5 =
d) (254 x 7) + (254 x 2) =
e) 18 - (4 x 2 - 3) =
f) 20 - (7 x 3 - 4) =
g) (6 x 2 + 8) x 3 + 5 =
h) (10 + 2) + 5 - (12 - 4) x 2 =
i) (7 x 6 + 3) - 20 =
j) 20+ (15 - 5 + 2) x 3 =
b) 961 x( 3 + 5)=
c) (280+37)x 5 =
d) (254 x 7) + (254 x 2) =
e) 18 - (4 x 2 - 3) =
f) 20 - (7 x 3 - 4) =
g) (6 x 2 + 8) x 3 + 5 =
h) (10 + 2) + 5 - (12 - 4) x 2 =
i) (7 x 6 + 3) - 20 =
j) 20+ (15 - 5 + 2) x 3 =
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