1920+(? 1820)+1720+(? 1620)+ +(? 420)+320+(? 220)+120= can i get an answer to this in the hour ? you.

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb

df =

both have same length

why are you giving so many marks make your marks less and make a question list so that i can understand your question very nicely