Explicație pas cu pas:
(21/10+1/2) : 6/5 + 6/5 - 0,4 =
(21/10 + 5/10) • 5/6 + 6/5 - 4/10 =
26/10 • 5/6 + 6/5 - 2/5 =
26/12 + 4/5 =
13/6 + 4/5 =
13•5/30 + 4•6/30 =
65/30 + 24/30 =
89/30 =
2,9(6)
________
Răspuns:
Explicație pas cu pas:
(21/10+1/2):6/5+6/5-0,4
13/5×5/6+6/5-2/5
13×1/6+6/5-2/5
13/6+6/5-2/5
13/6+4/5
89/30
Sᴘᴇʀ ᴄᴀ ᴛᴇ-ᴀᴍ ᴀᴊᴜᴛᴀᴛ!
