2.56＝0.01×256,0.01＝0.1×0.1,256分解质因数,等于2×2×2×2×2×2×2×2,所以2.56的平方根等于正负1.6
上面的人都漏了正负号,我是初二的学生,刚学过,相信我!
2.56的平方根怎么算?笔算!
2.56＝0.01×256,0.01＝0.1×0.1,256分解质因数,等于2×2×2×2×2×2×2×2,所以2.56的平方根等于正负1.6
上面的人都漏了正负号,我是初二的学生,刚学过,相信我!