0.75+3/4x5/11+75%x6/11 简便计算
计算(1+1/1x3)(1+1/2x4)(1+1/3x5)(1+/4x6)……(1+/11×13)
2x2/1x3+4x4/3x5+6x6/5x7+8x8/7x9+10x10/9x11+12x12/11x13 仔细看看
1x2分之2010+2x3分之2010+3x4分之2010+4x5分之2010+5x6分之2010简便运算
1x2+2x4+3x6+4x8+5x10+.+20x40 简便计算
用秦九韶算法计算当X=3时多项式f(x)=7X7+6x6+5x5+4x4+3X3+2x2+X的值
计算:1/1x2+1/2x3+1/3x4+1/4x5+1/5x6+1/6x7+1/7x8+1/8x9+1/9x10.
1x1-2x2+3x3-4x4+5x5-6x6.-100x100+101x101
14x63%+5.2 (49/11+3.1+17/11+16.9)X5/2 (用简便计算)
6分之5x5分之3+7分之4+7分之3,简便计算
简便计算1/2+1/2x3+1/3x4+1/4x5+...+1/99x100
2.2x3.3+3.3x4.4+4.4x5.5 如何简便计算
8.9X9.9+11X0.99;3.46X1.23+3.46X4.56+5.79X6.54的简便计算