2км 306м * 607 - 6км 864м= 16 кг 560 г : (20 кг 560 г -640г)=
(5т 794 кг + 781 ц) *26=
4ч 18 мин * 950 -182ч 24 мин : 12=
Столбиком ÷) ^_^·ω·
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