Question

Calcule. A - (+1/3) : -(2/5) B - (-4/7) : ( - 1/2). C - -6 : (+73). D (-5/2) :3

Answer 1

Apenas copiar a primeira, inverter a segunda e multiplica-las

a) -1/3 . (-5/2) = 5/6
b) +4/7 * (-2/1) = -8/7
c) -6 . 1/73 = -6/73
d) -5/2 . 1/3 = -5/6