Tìm x a) 4/5 x = 4/7 b) 3/4 : x =1/2 c) x : 8/11 =11/3
Giải thích
a)
45.x=47 x = 47:45 x = 47.54 x=57
b)
34:x=12 x = 34:12 x=34.2 x=32
c)
x:811=113x = 113.811x = 83
a)
45.x=47 x = 47:45 x = 47.54 x=57
b)
34:x=12 x = 34:12 x=34.2 x=32
c)
x:811=113x = 113.811x = 83