Question

ME AJUDEM

DETERMINE O VALOR DAS EXPRESSOES NUMERICAS

(2/5 + 1/5) ÷ (1/4 + 2/4)
E
(1/3 - 1/4) ÷ (2/5 - 1/10)

Answer 1

(2/5+1/5) ÷ (1/4 + 2/4)
= =
3/5 ÷ 3/4 = 5/3 × 3/4=15/12




(1/3-1/4) ÷ (2/5 - 1/10)
= =
1/12. ÷ 3/10. = 12/1 × 3/10=36/10