1км52м=10520дм
1т2ц72кг=1272кг
28ч53мин=1733мин
(5/12+1/6+3/8):15/16=(10/24+4/24+9/24):15/16=23/24:15/16=23/24*16/15=46/45=1 1/45
9:6 1/4*2 1/2:3/5=9/1*4/25*5/2*5/3=9/1*2/5*5/3=9/1*2/3=6
(p+Q+5)×(p+q+5)-(p+Q+5)×(p+Q+5)
98765*9=888885
98765*7=691355
98765*5=493825
98765*8=790129
98765*6=592590
98765*4=395060