Use 'greter' or 'less than' or '=' in each of the following expressions to compare them. Can you do

Use 'greter' or 'less than' or '=' in each of the following expressions to compare them. Can you do it without complicated calculations? Explain your thinking in each case.(a) 245 + 289 246 + 285(b) 273-145 272-144(c) 364+.587 363+589(d) 124 +245 129 + 245(e) 213-77 214-76 Join this channel to get access to perks:    / @mathsciacademy9422