Предмет: Математика, автор: arzutarlan

Помогите номер 327,329,330,331,332 срочнооооо

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Автор ответа: ЛейлаZ1

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Номер 327:
1) 2 * x * 50 = 700 2) 4*(a-8)*5=240 3) 11*4*(x-3)=132 4)(a+4)*2*33=660
2x * 50=700 a-8*20=240 x-3=132-11*4. а+4=660-2*33
2x=700:50 а-8=240:20 x-3=88. а+4=594
2*x=14. а-8=12 x=88+3. а=594-4
x=14:2. а=12+8 x=91. а=590
x=7. а=20

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