89763кг+2536кг=92299кг
89763кг-2536кг=87227кг
74689м-56934дм=749890дм-56934дм=68995м6дм
74689м+56934дм=749890дм+56934дм=80382м4дм
2ч-3265с=7200с-3265с=1ч335с
2ч+3265с=7200с+3265с=2ч3265с
659м³-324дм³=659000дм³-324дм³=658м³676дм³
659м³+324дм³=65900дм³+324дм³=659м³324дм³