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1.25X67.875+25X33.9375+1250X0.053375的简单办法?要具体步骤和说明?

题目详情
1.25X67.875+25X33.9375+1250X0.053375的简单办法?要具体步骤和说明?
▼优质解答
答案和解析
1.25x67.875+25x33.9375+1250x0.053375 =1.25x(67.875+20x33.9375+1000x0.053375) =1.25x800 =1000