Предмет: Математика, автор: qoidyxhdhhh

помогите пожалуйста срочно

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Ответы

Автор ответа: yorruu

1

Ответ:

чтобы найти закрашенную фигуру, нужно отнять S1 от S2

а1 -60м

b1 -40м

S1 = a1*b1 = 60*40 = 2400

а2 -20м

b2 -10м

S2 = a2*b2 = 20*10 = 200

2400 -200 = 2200 -закрашенная фигура

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