Tente calcular mentalmente registrando somente as respostas.
a)5+4+3X2=
b)5+(4+3)X2=
c)(5+4+3)x2=
D)2x3x4-36÷3=
E)2X5X(100-35÷5)=
F)120÷(3x9+13)=
a)5+4+3X2=
b)5+(4+3)X2=
c)(5+4+3)x2=
D)2x3x4-36÷3=
E)2X5X(100-35÷5)=
F)120÷(3x9+13)=
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a) 5 + 4 + 3 x 2 = 5 + 4 + 6 = 15
b) 5 + (4 + 3 ) x 2 = 5 + 7 x 2 = 5 + 14 = 19
c) ( 5 + 4 + 3 ) x 2 = 12 x 2 = 24
d) 2 x 3 x 4 - 36 : 3 = 2 x 3 x 4 - 12 = 6 x 4 - 12 = 24 - 12 = 12
e) 2 x 5 x (100 - 35 : 5 ) = 2 x 5 x ( 100 - 7) = 2 x 5 x 93 = 10 x 93 = 930
f) 120 : ( 3 x 9 + 13) = 120 : ( 27 + 13 ) = 120 : 40 = 3
Espero ter ajudado
b)19
c)24
d)12
e)930
f)3