3ч9мин 6 - 8мин7с 7 = (360+9)6 - (860+7)7 = (189)*6 - (487) = 1134 - 487 = 647
(8т4ц24кг + 10кг506г) 64 = (81000000 + 410000 + 241000 + 101000 + 506) 64 = (8000000 + 40000 + 24000 + 10000 + 506) 64 = 80550 64 = 5155200
8км35м 52 - 360км72м : 18 = (81000 + 35) 52 - (3601000 + 72) : 18 = (8000 + 35) * 52 - (360000 + 72) : 18 = 403620 - 2000368 : 18 = 403620 - 111131.56 = 292488.44
3ч9мин 6 - 8мин7с 7 = (360+9)6 - (860+7)7 = (189)*6 - (487) = 1134 - 487 = 647
(8т4ц24кг + 10кг506г) 64 = (81000000 + 410000 + 241000 + 101000 + 506) 64 = (8000000 + 40000 + 24000 + 10000 + 506) 64 = 80550 64 = 5155200
8км35м 52 - 360км72м : 18 = (81000 + 35) 52 - (3601000 + 72) : 18 = (8000 + 35) * 52 - (360000 + 72) : 18 = 403620 - 2000368 : 18 = 403620 - 111131.56 = 292488.44