1.

16) Find ( 502-492 ) + (482-472 )+(462-452 ) ++(2²-1²).​

Answer»

ANSWER:

= 33

Step-by-step EXPLANATION:

= ( 502-492 ) + (482-472 )+(462-452 ) + (2²-1²).​

= 10 + 10 + 10 + (4-1)

= 30 + 3

= 33



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