Question

Efetue as operações :

A) 3 ÷ 6
8 8

B) √0,64 + ( -4 )
( 3 )

Answer 1

A) 3/8÷6/8= 3/8×8/6=3/6=1/2

B) √0,64+(-4).(+3)= √64/100 -12= 8/10-12
= 0,8-12 = -11,2