Запишите какое-либо число,кратное каждому из чисел 1)5 и 4, 2) 6 и 3, 3) 8 и 20

X=317
a=427



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Дано:
Всего-268 кар.
1-35 кар.
2-?, в 3 раза > чем в 1
3-?

Решение:
1) 35•3=105- 2 коробка
2) 105+35=140- 1 и 2 коробка
3) 268-140=128- 3 коробка

Ответ: 1- 35; 2- 105; 3-128

Наибольшее двузначное число - это 99
99 - 9 = 90 - нужно прибавить

проверка: 90 + 9 = 99

Ответ: число 90.

V(t)=s`(t)=6-t=0
t=6
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<span><span>cos x – cos 3x – (1 – cos 2x) = 0,</span><span>2sin x sin 2x – 2sin2 x = 0,</span><span>2sin x (sin 2x – sin x) = 0,</span></span>