Не могу понять,как расставить скобки в уравнении, чтобы получить равенство
1-4 класс
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50+24:2+20=72
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Shanghai Yongran Construction Machinery Manufacturing Co., Ltd., (Original Name: DIDA Diamond Tools Manufacturing (Shanghai) Co., Ltd.) established in 2001, specializes in researching, developing and manufacturing cutting saws and diamond cutting blades. DIDA is our registered brand. On the basis of market demand, we design and manufacture a variety of cutting saws such as table saws, handheld gasoline saws, walk behind saws, diamond blades. We have passed ISO9001:2000. Our products have CE certificate and EPA certificate. Based on professional engineering team, serious production and quality control procedures, reasonable price and perfect after-sales service, our products enjoy high reputation in machinery production industry. On the purpose of “more professional, high quality with reasonable price” , we seriously take customers’ need as our responsibility so as to develop new products, new brands. We sincerely hope we can provide more customers with all around service.wall cutter blade manufacturers website:http://www.yongranmachine.com/
Shanghai Yongran Construction Machinery Manufacturing Co., Ltd., (Original Name: DIDA Diamond Tools Manufacturing (Shanghai) Co., Ltd.) established in 2001, specializes in researching, developing and manufacturing cutting saws and diamond cutting blades. DIDA is our registered brand. On the basis of market demand, we design and manufacture a variety of cutting saws such as table saws, handheld gasoline saws, walk behind saws, diamond blades. We have passed ISO9001:2000. Our products have CE certificate and EPA certificate. Based on professional engineering team, serious production and quality control procedures, reasonable price and perfect after-sales service, our products enjoy high reputation in machinery production industry. On the purpose of “more professional, high quality with reasonable price” , we seriously take customers’ need as our responsibility so as to develop new products, new brands. We sincerely hope we can provide more customers with all around service.wall cutter blade manufacturers website:http://www.yongranmachine.com/
Flexible solar cell is one kind of film solar panel, which is advanced technology, excellent performance, low cost, and wide application. It can be used for solar backpack, solar tent, solar torch, solar automobile, solar sailing and even aeroplane. One important application field for flexible solar panel is BIPV (building integrated photovoltaic). It can be assembled on the roof, external wall or internal wall. Features: 1.Available for bending, folding, and easy for carrying 2.Weight is only 1/10 of traditional solar panel on condition of same size, 3~4kg/m2 3.Thickness is only 1/5 of traditional solar panel 4.Strong ability of power generation on weak sunlight: 5~6hours 5.Conform to IEC 61646 and IEC 61730, UL 1703 6.Warranty: 10 years quality guarantee and 25 years power guaranteeChina solar panel for house suppliers website:http://www.transformerxy.com/photovoltaic-module/
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Прямая y= kx +b проходит через точки А и В. Найдите пожалуйста числа k и b и запишите уравнение этой прямой если:
А (0; 2), В (3; -1) и А (2; -5), В (0;1)
Заранее всем очень благодарен за ответ!!!!!!
обозначатся словом ладно а то квадрат не как тут не зделать!
квадрат 3*5-73=14квадрат
квадрат 2:4*77=1 два квадрата
(96*48):8=два квадрата
300-(80*3)*6=2квадрат 0