0.7×0.7×0.7×.(2002个0.7)×0.7×0.6×0.6×0.6×(2002个0.6)积的尾数等于多少

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0.7×0.7×0.7×.(2002个0.7)×0.7×0.6×0.6×0.6×(2002个0.6)积的尾数等于多少0.7×0.7×0.7×.(2002个0.7)×0.7×0.6×0.6×0.6×(2

0.7×0.7×0.7×.(2002个0.7)×0.7×0.6×0.6×0.6×(2002个0.6)积的尾数等于多少
0.7×0.7×0.7×.(2002个0.7)×0.7×0.6×0.6×0.6×(2002个0.6)积的尾数等于多少

0.7×0.7×0.7×.(2002个0.7)×0.7×0.6×0.6×0.6×(2002个0.6)积的尾数等于多少
7乘以7等于49 尾数为9,7乘以9等于63 尾数为3,3乘以7尾数为1 1乘以7尾数为7 所以尾数7,9,3,1循环 2002除以4等于500余2 所以2002个0.7相乘尾数为9,0.6相乘尾数总是6 所以该积的尾数为6乘以9的尾数 是4