Question

Calculeaza factorii pentru a calcula rapid :4×93×25:b)2×50×16×2c)20×43×5×1d)150×7×2×5e)15×50×4×2f)137×15×2

Answer 1

a)4x93x25=
    =100x93=
=9300

b)2x50x16x2=
=100x16x2
=200x16
=3200

c)20x43x5x1=
20x43x5=
=100x43=
=4300

d)150x7x2x5
=300x7x5
=1500x7=
=10500

e)15x50x4x2=
=30x200
=6000

f)137x15x2=
=137x30
=4110