Alicefera12go Alicefera12go Matemática Respondido efetuar a fraçao A-12/5×10/3×2/4=B-100/7÷5/49=C-(3/4 menos 1)÷2/3=D-6/7+(1/2 menos 2/5)×5=E-[ (2/3+2)×1/5]÷1/2=Me ajudem!!!