Question

(1/15+1/35 +1/63)*x=1

Answer 1

(1/15+1/35+1/63)*x=1

1/9*x=1

x=1 : 1/9

x=1*9

x=9

mk ko quy đồng đâu cậu tự quy đồng nha

Answer 2

CAM ON BAN

Answer 3

15,4*x+1,9*+12,1+63,6*x tìm x