下面各题,怎样简便就怎样计算.1700÷20÷5 6300÷(63×5) 450÷18 4000÷125÷8 125×(8+20)
下面各题,怎样简便就怎样计算.1700÷20÷56300÷(63×5)450÷184000÷125÷8125×(8+20)99×45+45....
下面各题,怎样简便就怎样计算.1700÷20÷5 6300÷(63×5) 450÷18 4000÷125÷8 125×(8+20) 99×45+45.
展开
2个回答
展开全部
(1)1700÷20÷5, =1700÷(20×5), =1700÷100, =17; (2)6300÷(63×5), =6300÷63÷5, =100÷5, =20; (3)450÷18, =(450÷9)÷(18÷9), =50÷2, =25; (4)4000÷125÷8, =4000÷(125×8), =4000÷1000, =4; (5)125×(8+20), =125×8+125×20, =1000+2500, =3500; (6)99×45+45, =99×45+45×1, =45×(99+1), =45×100, =4500. |
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询