Tim 2 so co tich bang 6 tong bang 5
Tinh x:4+3=7
Tnh 18_6÷x=12
tim x
x+12=35+12
tim x biet x+ 10 = 12
Tim x
18_÷x=12
tim x:
a) : x+ 12 = 12+6 b): x - 21 = 33 -21
c) : 14 - x = 14 -2 d): x - 48 = 65 - 28
e): 65 - x = 48 + 17
tim x :
12 : 3 < x : 5 < 25 : 5
tim x:
x:6=18
tim x
x + 3 =6
Tim x biết
3+x = 6