Предмет: Математика, автор: Polonskaya05

Докажите, что, если а>1.5 и в>10, то
1. 6а +5в>49
2. 80а-3в>89
3. Ав+4.4>19.38
4. 4 а +в в квадрате>105.02
Срочно!!!

Ответы

Автор ответа: vasilisakross1

0

Пусть а =2, а в =20, тогда
1. 12+100>49
2. 160-60>89
3. 40+4>19.38
4. 8+400>105.02

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