X/18=3. 720/x=2. x-360=40
х=54, х=360, х=400
1)х=3×18 х=54 2) х=720÷2 х= 360 3) х=40+360 х=400
1) х/18=3 2)720/x=2 3) x-360=40 х=18*3 х=720/2 x=360+40 х=54 x=360 x=400