50 - X x 3 = 29
x1+x2+x3+x4+...+x49+x50+x51=0
tìm x50
Tìm x :
x + 100 = 50 x 3
Tìm x :
x + 100 = 50 x 3
50 x 3
a)9÷X=3
b)X+25=77
c)67-X=38
d)5×X=35
e)66+X=41+58
g)28+X=30×2
h)54+X=50+50
i)108+X=800+109
Tính:
200 + 100 x 2 + 50 x 3
50 x 3 = ......
23 x 2 = ... .....
44 x 2 = .......
Tìm x, biết:
a) x × 5 = 50 – 15
b) x : 4 = 38 – 33
c) x + 356 = 414 + 62
d) x : 4 = 2 × 3