Calculati :
a) 11×17×19

b) 13 × 25× 8

c) 128 × 45

d) 13 × 14 × 15

e ) 36 × 35 × 12

f) 16 × 26 × 14


Model : 12 × 99 = 12 × ( 100 - 1 ) = 12 × 100 - 12 × 1 = 1200 - 12 = 1188​