Предмет: Математика, автор: zvarich2002

У класі навчається 40 учнів. Із них мають трійки з англійської мови 16 учнів, з математики – 12, з фізики – 18. Мають трійки з фізики та англійської мови – 11 учнів, з математики та англійської мови – 8, з математики та фізики – 6. А 7 учнів мають трійки по всім цим предметам. Скільки учнів навчаються без трійок з цих предметів? Скільки мають лише по дві трійки з цих предметів?

Ответы

Автор ответа: beoblod228
0

Ответ:

Дивись нижче.....

Пошаговое объяснение:

Умова(це я для себе)

Всього-40учнів

Англійська-16учнів

Математика-12учнів

Фізика-18учнів

З фізики та англійської-8

З математики та фізики-6

1)40-16=24(учня)-без трійок англійська

2)40-12=18(учнів)-без трійок з математики

3)40-18=22(учня)-без трійок фізика

4)8+6=14(учнів)-2 ТРІЙКИ

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A Running robotically on a treadmill with a blasting MP3 player is not going to get those happy hormones working.

B Although we’re told to get eight hours, six to seven hours can be fine, so you may be getting more than enough sleep for your body to function well.

C Tune into your feet and not the MP3 player.

D Writing allows us to use both the logical and creative parts of the brain.

E The style doesn’t need to be of a prize-winning standard to have value!

F As for your worries, give yourself a ‘worry period’.