计算:52°22′×9 178°53′÷5 的具体解法
问题描述:
计算:52°22′×9 178°53′÷5 的具体解法
答
52°22′×9
=468°+198‘
=468°+3°+18’
=471°18‘
178°53′÷5
=175°÷5+3°53’÷5
=35°+46.6‘
=35°46’36‘’
答
52°22′×9 =52°×9+22′×9 =468°+198'=468°+180'+18'=468°+3°+18'=471°18'178°53′÷5=(178°+53′)÷5=(175°+3°+53′)÷5=(175°+180'+53′)÷5=(175°+233′)÷5=(175°+230'+3′)÷5=(175°+230'+180...