简算拖式(5/7+1/27)乘以7+20/27

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 15:47:42
简算拖式(5/7+1/27)乘以7+20/27
x){Ϻ=~O擝3^jmd$飨 V_`gCȲCeR{:AJ *ĹlTCF 1"x\

简算拖式(5/7+1/27)乘以7+20/27
简算拖式
(5/7+1/27)乘以7+20/27

简算拖式(5/7+1/27)乘以7+20/27
(5/7+1/27)×7+20/27
=(5/7)×7+(1/27)×7+20/27
=5+7/27+20/27
=5+1
=6

1乘以2乘以3+2乘以3乘以4+3乘以4乘以5+...+7乘以8乘以9 简算拖式(5/7+1/27)乘以7+20/27 1乘以3分之2乘以2+3乘以5分之4乘以4+5乘以7分之6乘以6+.+19乘以21分之20乘以20等于? 15/2乘以10/3 17/8乘以4/1 25/9乘以12/5 10/6乘以15/7 9/8乘以4/27 7/5乘以25/11 3/2乘以5/6要是答对啦我会给悬赏的,答不对我不给悬赏.15之2乘以10之3 17之8乘以4之1 25/9乘以12/5 10/6乘以15/7 9/8乘以4/27 7/5乘以2 7乘以(未知数+2)=5乘以(未知数+9)12乘以(60-未知数)=7乘以(20-未知数) 6/7乘以( )=3/5乘以( )=9乘以( )=0.2乘以( )=1 1.2乘以(-1又5分之4)乘以(-2.5)乘以(-9分之7)=? 观察1乘以2乘以3乘以4+1=25=5² 2乘以3乘以4乘以5+1=121=11²3乘以4乘以5乘以6+1=361=19²(1)计算5乘以6乘以7乘以8+1的结果是多少?(2)由此你能推出一般的结论吗? 数学(1乘以3)/1+(3乘以5)/1+(5乘以7)/1+(7乘以9)/1+(9乘以11)/1 (1-1/2)乘以(1-1/3)乘以(1-1/4)乘以(1-1/5)乘以(1-1/6)乘以(1-1/7)的计算过程 1乘以2分之一加上2乘以3分之一加上3乘以4分之一加上5乘以6分之一加上6乘以7分之一简算 8分之3乘以多少等于9分之5乘以多少等于0.125乘以多少等于4乘以多少等于3分之7乘以多少等于1 质数和完全平方数猜想4乘以2加1等于9.4乘以2乘以3加1等于25.4乘以2乘以3乘以5加1等于121.4乘以2乘以3乘以5乘以7加1等于841.猜想:请问4乘以由小到大排列的质数再加1后(质数从二开始),一定是 4除以5/3除以9/20=4乘以3/5乘以20/9=4/3乘以4=16/32/9乘以0.125除以6/7=2/9乘以1/8乘以7/6=1/36乘以7/6=7/216不对请改正! 1/1乘以2乘以3+1/2乘以3乘以4+1/3乘以4乘以5…+1/20乘以21乘以22的最简便的计...1/1乘以2乘以3+1/2乘以3乘以4+1/3乘以4乘以5…+1/20乘以21乘以22的最简便的计算方法 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] 5乘以6乘以7分之一加6乘以7乘以8分之一加7乘以8乘以9分之一的和5乘以6乘以7分之一加6乘以7乘以8分之一1÷(5*6*7)+1÷(6*7*8)+1÷(7*8*9)原题是将除号写成分数线的,乘号同*的.说明理由, 0除以3乘以4乘以5乘以6乘以7乘以8乘以9乘以10除以3除以2等于