EJERCICIOS DE OPERACIONES COMBINADAS CON NÚMEROS
NATURALES.
1.- Calcula el resultado de las siguientes operaciones
combinadas:
a) 10 ⋅ (3 + 8 − 6) =
b) (4 + 8 − 3 + 5) ⋅ 4 + 2 =
c) (6 + 8): 2 +18 : (5 + 4) =
d) 8 + (10 −15 : 3) + 3 ⋅ 4 − 6 =
e) 6 ⋅3 − (2 + 5 ⋅ 2) + (5 ⋅3 − 8) −1 =
f) (16 − 3 ⋅ 4) + (15 −15 : 3) − (20 : 2 − 8) =
g) (3 ⋅ 4 + 4 ⋅ 5) − (12 : 3 + 20 : 4) + 2 ⋅ 5 − 6 =
h) 17 − 3 ⋅ (8 − 4) + 54 : 2 =
i) 5 ⋅ [3 + 2 ⋅ (2 + 5 − 3)] −10 ⋅ 2 : 4 =
j) [(3 +12 − 5) : 2 − 4 + 2] ⋅ (4 + 2 −1) =
k) (1+ 7 − 3) ⋅ (3 + 2) − 30 : (5 − 2 + 3) =
l) 4 ⋅ [3 + 6 ⋅ (5 + 3 − 6)] − 3 ⋅ (5 − (1+ 2)) =
m) 6 + (63 : 7) ⋅ 2 + 14 – (78 – 65) =
n) 12 ⋅ ( 7+ 2) + (45 – 32) + 8 =