(1+6/1)×(1+7/1)×(1+8/1)×(1+9/1)×(1+10/1)用简便算法
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(1+6/1)×(1+7/1)×(1+8/1)×(1+9/1)×(1+10/1)用简便算法(1+6/1)×(1+7/1)×(1+8/1)×(1+9/1)×(1+10/1)用简便算法(1+6/1)×(1
(1+6/1)×(1+7/1)×(1+8/1)×(1+9/1)×(1+10/1)用简便算法
(1+6/1)×(1+7/1)×(1+8/1)×(1+9/1)×(1+10/1)用简便算法
(1+6/1)×(1+7/1)×(1+8/1)×(1+9/1)×(1+10/1)用简便算法
7/6*8/7*9/8*10/9*11/10
=1/6*7/7*8/8*9/9*10/10*11
=11/6
(1+1/6)×(1+1/7)×(1+1/8)×(1+1/9)×……(1+1/118)×(1+1/119等于多少?
(1-1/5²)(1-/6²)(1-1/7²)(1-1/8²).(1-1/2012²)
先化简,再求值:6(7+1)(7²+1)([7^4]1)([7^8]+1)+1
初一简便运算6(7+1)(7^2+1)(7^4+1)(7^8+1)+16*(7+1)*(7^2+1)*(7^4+1)*(7^8+1)+1
(简单运算)(4+1/5+1/6+1/7)*(1/5+1/6+1/7+1/8)-(4+1/5+1/6+1/7+1/8)*(1/5+1/6+1/7)星号是乘号
(1+6/1)×(1+7/1)×(1+8/1)×(1+9/1)×(1+10/1)用简便算法
(1+2分之1)*(1+4分之1)*(1+6分之1)*(1+8分之1)*(1+10分之1)*(1-3分之1)*(1-5分之1)*(1-7分之)*(1-9分之1)
巧算或速算这道题.(1/5-1/6)+(1/6-1/7)+(1/7-1/8)+…+(1/48-1/49)+(1/49-1/50)巧算.
(-1-1/2)*(-1-1/3)*(-1-1/4)*(-1-1/5)*(-1-1/6)*……*(-1-1/9)*(-1-1/10)(-1-1/2)*(-1-1/3)*(-1-1/4)*(-1-1/5)*(-1-1/6)*(-1-1/7)*(-1-1/8)*(-1-1/9)*(-1-1/10)
巧算算式(6/1+1/7+1/8)*(1/7+1/8+1/9)-(1/6+1/7+1/8+1/9)*(1/7+1/8)假设:1/7+1/8=a,1/7+1/8+1/9=b,则:上式=(1/6+a)*b-(1/6+b)*a=
巧算:(1/2+1/3)-(1/3+1/4)+(1/4+1/5)-(1/5-1/6)-(1/6+巧算:(1/2+1/3)-(1/3+1/4)+(1/4+1/5)-(1/5-1/6)-(1/6+1/7)-(1/7+1/8)
计算题1+1/2+1/3+1/4+1/5+1/6+1/7+1/8+.+1/101原题1+1/(1+1)+1/(1+2).1/(1+100)
(6/1+7/1+8/1)x(7/1+8/1+9/1)-(6/1+7/1+8/1+9/1)x(7/1+8/1)根据数据特点,假设:7/1+8/1+9/1=b,则:上式=(6/1+a)x b-(6/1+b)xa6/1+7/1+8/1)x(7/1+8/1+9/1)-(6/1+7/1+8/1+9/1)x(7/1+8/1)根据数据特点,假设
(1+1/6)x(1+1/7)x(1+1/8)x(1+1/9)x…x(1+/118)x(1+/119)=?
求解一道QB的题,quickbasic语句.(1+1/3+1/5+1/7+1/9)-(1/2+1/4+1/6+1/8+1/10)
(1+1/6)X(1+1/7)X(1+8)X(1+1/9)X(1/10)简算快
7年级数学:(-8)/6*1/6=-8?
(1/3-2/1)/(1/4+1/3)*(-1/5-1/4)/(1/6+1/5)*91/7-1/6)/(-1/8+1/7)