Question

sendo n= (2x 6 -5)x 10 + 10 calcule o dobro de n.
Me ajudem

Answer 1

n= (2x6-5)x10+10
n= (12-5)x10+10
n= 7x10+10
n= 70+10
n=80

dobro de n = n×2
dobro de n = 80x2
dobro de n= 160