Question

Efectuați utilizând factorul comun  ex 1 urgent dau coroana

Answer 1

Explicație pas cu pas:

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Answer 2

1.

a 3·(45+15)=3·60=180

d 23·(718-162)=23·556=12788

g 2413·(1001-1)=2413·1000=2413000

b 20·(48+2)=20·50=1000

e 15·(38+162)=15·200=3000

h 2029·(599+1)=2029·600=1217400

c 28·(521-21)=28·500=14000

f 702·(65+35)=702·100=70200

i 1289·(337+663)=1289·1000=1289000