Question

1 calculează rapid grupând convenabil factorii a 20 × 42 × 5 = b 4 ×28 × 150 = c 4 × 2 × 15 × 5 × 50 = d 11 × 32 × 2 × 5 = e250 × 25 × 4 × 2 = f 500 × 12 × 50 × 2 =​

Answer 1

Răspuns:

Explicație pas cu pas:

a) 20*42*5=20*5*42=100*42=4200

b)4*28*150=28*4*150=28*600=16800

c)4*2*15*5*50=4*15*2*5*50=60*10*50=30000

d)11*32*2*5=11*32*10=352*10=3520

e)250*25*4*2=250*2*25*4=500*100=50000

f)500*12*50*2=6000*100=600000

 sper că te-am ajutat!