(65乘以68)除以(13乘以17)如何巧算

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 16:41:14

(65乘以68)除以(13乘以17)如何巧算
(65乘以68)除以(13乘以17)如何巧算

(65乘以68)除以(13乘以17)如何巧算
(65乘以68)除以(13乘以17)
=65÷13x(68÷17)
=5x4
=20

(13*5乘以17*4)除以(13乘以17)

=(65*68)/13/17
=(65/13/17)*(68/17/13)
=5/17*4/13
=20/221

(65×68)÷(13×17)
=(65÷13)×(68÷17)
=5×4
=20
参考方法!

(65乘以68)除以(13乘以17)如何巧算 2乘以3乘以5乘以7乘以11乘以13乘以17除以(2004-2)等于多少 巧算、要巧算. (-7)乘以(-56)乘以0除以(-13) 17分之5乘以13分之6乘以(51乘以65)等于多少 (8.4乘以25乘以63%)除以(84乘以5乘以0.9)的简便运算? (4.8乘以7.5乘以8.1)除以(2.4乘以2.5乘以2.7)=多少 格式 7.8乘以0.091乘以0.625除以(18.2乘以0.26乘以8分之1) 0-9内不重复的数字()乘以()乘以()除以()乘以()乘以()=()乘以()除以()乘以() 25乘以?乘以?等于(?乘以12)乘以(?乘以? 4又三分之一除以65%乘以4又三分之一乘以65%(能简算的就简算) 分数简算 3/4乘以16= 12除以3/5= 0.3乘以5/6= 1除以7/8=5/7乘以2/3除以5/7 1/2乘以1/3除以1/2乘以1/3 0乘以7/12+1/8 48乘以(7/12+1/3)除以2/3 23-8/9乘以3/4除以1/27 5除以[(2/3+1/5)乘以1/13] 【1.9+19%乘以(4.8-2.4)】除以(53乘以0.25+30.6乘以0.25)=? 456乘以123乘以789除以456除以789除以123(用简便方法计算,) 340除以(17乘以4)的简便运算 (1除以1乘以2)+(1除以2乘以3)+(1除以3乘以4)+.(1除以10乘以11)的值 (2-1除以2)乘以(2-2除以3)乘以(2-3除以4)乘以~乘以(2-2002除以2003)要怎么算? (3.4乘以4.8乘以9.5)除以(1.9乘以1.7乘以2.4)用简便方法计算? (1.25乘以2.7乘以5.7)除以(8.1乘以0.25乘以1.9)简便合理的方法计算