36×54+72×23=36×54+36×46=36×(54+46)=3600
36×54+72×23=36×54+36×2×23=36×54+36×46=36×(54+46)=36×100=3600
36*54+72*23=36*54+36*2*23=36(54+46)=36*100=3600
你们可不可以说的具体一点,我有点看不懂