Предмет: Алгебра, автор: psorokina117

пажалуста очень вас прошу! можно не только ответ а и само решения!
9°. Знайдіть значення виразу:
1) 19,49 + (–17,2);
2) 84,5 – 21,47;
3) – 14,5 · (–0,2);
4) 70,8 : (– 0,25).

Ответы

Автор ответа: clownandcircus

1) 10,49+(-17,2)= 19,49-17,2(минус на плюс дает минус)= 2,29
2) 84,5-21,47=63,03
3)-14,5•(-0,2)=2,9
4) 70,8:(-0.25)= -283,2

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TEXT 2

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пажалуста очень вас прошу! можно не только ответ а и само решения! 9°. Знайдіть значення виразу: 1) 19,49 + (–17,2); 2) 84,5 – 21,47; 3) – 14,5 · (–0,2); 4) 70,8 : (– 0,25).

Ответы

пажалуста очень вас прошу! можно не только ответ а и само решения!
9°. Знайдіть значення виразу:
1) 19,49 + (–17,2);
2) 84,5 – 21,47;
3) – 14,5 · (–0,2);
4) 70,8 : (– 0,25).