Маша посадила лук на грядке ,которая имеетформу квадрата .периметр этой грядки состовляет 5,2м укажите её площадь. 2
Lena163121
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25.07.2019 15:10
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1
2. Площадь квадрата = 1,3*1,3 = 1,69 м2
ответ: 1,69 м2