Предмет: Математика, автор: янфилин

Помогите сделать номер 11

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Автор ответа: Inf777

0

1) 55*2=110 км - проехал грузовик со скоростью 55 км/ч
2) 55+8= 63 км/ ч - стала скорость после увеличения
3) 63*4=252 км - проехал с увеличенной скоростью
4) 110+252=362 км - проехал всего.

Автор ответа: yhfhgvhg

0

1)55×2=110 2)55+8=63 3)63×4=252 4)252+110=362

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