Вопрос школьника по предмету Геометрия
сколько потребуется кафельных плиток квадратной формы со стороной 20 см,чтобы облицивать ими стену ,имеющую форму прямоугольника со сторонами 3,4м и 4,6м?
Ответ учителя по предмету Геометрия
3,4*4,6=15,64
0,2*0,2=0,04
15,64/0,04=391
Ответ:391
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