2022个0.8相乘等于多少?
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0.8=0.80.8✘0.8=0.640.8✘0.8✘0.8=0.1520.8✘0.8✘0.8✘0.8=0.40960.8✘0.8✘0.8✘0.8✘0.8=0.327680.8✘0.8✘0.8✘0.8✘0.8✘0.8=0.262144由上面的计算可知连续的0.8相乘,乘积的末位数字周期变化8,4,2,6循环,每周期4个2022÷4=505……2所以2022个0.8相乘,乘积的末尾数字为4
咨询记录 · 回答于2023-04-06
2022个0.8相乘等于多少?
小学4年级的题
好的
乘积的末尾数字是6
2022个0.8相乘,乘积的末尾数字为4
0.8=0.80.8✘0.8=0.640.8✘0.8✘0.8=0.1520.8✘0.8✘0.8✘0.8=0.40960.8✘0.8✘0.8✘0.8✘0.8=0.327680.8✘0.8✘0.8✘0.8✘0.8✘0.8=0.262144由猛册上面的计算可知连续的0.8相乘,乘积的末位数字周期变化8,4,2,源郑6循环,每周期4个2022÷4=505……2所以2022个0.8相乘,乘积的末尾数雹知颂字为4