11x22+0.22x3300+33x4.4
11x22+0.22x3300+33x4.4
简便计算题11x22+0.22x3300+330x4.4
11x22+0.22x3300+330x4.4=
11x22+0.22x3300+330x4.4的简便方法
11x22+0.22x3300+330x4.4 求简便过程
(要用运算定律)46.3X0.56+5.38X5.6-0.05611X22+0.22X3300+330x4.4
简便计算 -99又10/11x22
已知一组正数x1,x2,x3,x4,x5,的方差为:S2=(x12+x22+x32+x42+x52-20)
线性代数 2x1-x2+x3+x4=1,x1+2x2-x3+4x4=2,x1+7x2-4x3+11x4=a
简便计算4.4X5.5-44X0.33+0.44X22
4分之3x4分之3x6 4分之3x4分之3x4分之3
5x2=11 2x4=14 3x2=7 4x5=30 问:8x4=?请写清过程,