1x1.1x1.1-1.1x1.1-0.11怎样简便计算
用简便方法计算:1.1x1.1x1.1-1.1x1.1-0.1
1.1x1.1x1.1-1.1x1.1-0.11
简算1.1x1.1x1.1-1.1x1.1-0.11!
1x1\3+2x1\4+3x1\5+.+2006x1\2008的简便算法
怎么简便计算下面两题 41.2x8.1+11x1.25+53.7x1.9=
提问:1x1/2+1/2x1/3+1/3x1/4+1/4x1/5+1/5x1/6+1/6x1/7 用简便方法
“(1/4x1/6+1/6x1/8+1/8x1/10+1/10x1/12)x2的简便方法
(38+1/36)x1/37的简便计算
X2/X1(X1+X2)+X3/(X1+X2)(X1+X2+X3)+.Xn/(x1+x2+...Xn-1)(X1+X2.
x1-x2)+x1x2分之4(x2-x1)怎样化简成((x1-x2)(1-x1x2分之4)
求41.2x8.1+11x1.25+53.7x1.9的简便运算
简便计算 (224+1/222)x1/223 1/128+1/64+1/32+...+1/4