Question

Se x= [(-40) ÷ (-8)] ÷ (-1) + (-5)×(-2) e
y= -2² - 3² -1². O valor de x.y é?

Answer 1

Resposta:

x=-40÷-8÷-1+-5×-2

x=5÷-1+10

x=-5+10

x= 5

y=-2² - 3² -1²

y= -4-9-1

y= -14

x.y= -70