Вопрос школьника по предмету Математика
Длина усадьбы 100 (м),а ширина — на 60 (м) меньше .три восьмых площади усадьбы занимают здания ,двор и сад ,а остальную — огород. Какую площадь занимает огород ?
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Ответ учителя по предмету Математика
100-60=40(м)
100*40=4000(м^2)
4000*3/8=1500(м^2)
4000-1500=2500(м^2)
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