Question

2/3 ×5/9?
3/4 ×1/2?
2/3 ÷7/8?
3/4 ÷5/9?
URGENTE PRECISO DE AJUDA NESSES 4 CALCULOS POR FAVOR!!​

Answer 1

Resposta:

2/3 x 5/9= 18/15= 18÷2= 9, 15÷3= 5= 9/5

3/4 x 1/2= 4/6= 4÷2= 2 e 6÷2= 3= 2/3

2/3 ÷ 7/8= 2/3 x 8/7= 16/21= 16÷2= 8, 21÷3= 7= 8/7(;-;)

3/4 ÷ 5/9= 3/4 x 9/5= 27/20= 27÷3= 9, 20÷5= 4= 9/4= 9÷3= 3, e 4÷2= 2=. resultado final 3/2