Question

Calculeaza grrupand convenabil factorii.
a) 80 x 5 x 5 x 2 =
b) 3 x 15 x 10 x 2 =
c) 4 x 8 x 50 x 500 =
d) 250 x 50 x 4 x 2 =
dau coroana urgent va rooooooooooooooooooooooooooogggggg
ma si abonez.

Answer 1

a) 80 x 5 x 5 x 2 =   (80 x 5) x (5 x 2) = 400 x 10 = 4000

b) 3 x 15 x 10 x 2 =  (3 x 10 ) x (15 x 2) = 30 x 30 = 900

c) 4 x 8 x 50 x 500 =  ( 4 x 50) x (8 x 500) = 200 x 4000 = 800000

d) 250 x 50 x 4 x 2 = (250 x 4) x ( 50 x 2) = 10000 x 100 = 100000