51又1/4乘61又4/5乘5/6加71又1/6乘6/7 简便

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51又1/4乘61又4/5乘5/6加71又1/6乘6/7简便51又1/4乘61又4/5乘5/6加71又1/6乘6/7简便51又1/4乘61又4/5乘5/6加71又1/6乘6/7简便(50+5/4)﹡(

51又1/4乘61又4/5乘5/6加71又1/6乘6/7 简便
51又1/4乘61又4/5乘5/6加71又1/6乘6/7 简便

51又1/4乘61又4/5乘5/6加71又1/6乘6/7 简便
(50+5/4)﹡(60+9/5)﹡5/6+(70+7/6)﹡6/7按次法计算就可以了