3.14乘1到1001X3.14=3.14 2X3.14=6.38
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3.14乘1到100
1X3.14=3.14 2X3.14=6.38
1X3.14=3.14 2X3.14=6.38
3.14,6.28,9.42,12.56,15.7,18.84,21.98,25.12,28.26,31.4,34.54,37.68,40.82,43.96,47.1,50.24,53.38,56.52,59.66,62.8,65.94,69.08,72.22,75.36,78.5,81.64,84.78,87.92,91.06,94.2,97.34,100.48,103.62,106.76,109.9,113.04,116.18,119.32,122.46,125.6,128.74,131.88,135.02,138.16,141.3,144.44,147.58,150.72,153.86,157.,160.14,163.28,166.42,169.56,172.7,175.84,178.98,182.12,185.26,188.4,191.54,194.68,197.82,200.96,204.1,207.24,210.38,213.52,216.66,219.8,222.94,226.08,229.22,232.36,235.5,238.64,241.78,244.92,248.06,251.2,254.34,257.48,260.62,263.76,266.9,270.04,273.18,276.32,279.46,282.6,285.74,288.88,292.02,295.16,298.3,301.44,304.58,307.72,310.86,314.
3.14乘1到1001X3.14=3.14 2X3.14=6.38
用克莱姆法则求解,急X1+X2+X3=6X1+2X2+3X3=14X1+X2-X3=0
解方程组X1+X2+X3=0,2X2-X3=1,X1-X2+2X3=-1.
2x3-3x+三分之二x3-2x-三分之四x3+x-1,其中x=-二分之一
5/14X3/65X11/42=?
X1+2X2-X3+X4=1
求线性方程组 x2-x3-x4=0 x1+x2-x3+3x4=1 x1-x2+x3+5x4=-1 x1+2x2-2x3+
求非齐次线性方程组:2x1-x2+4x3-3x4=-4;x1+x3-x4=-3;3x1+x2+x3=1;7x1+7x3-
已知x2+3x2+1=0,求x3+x3分之一+2的值
x3次方十x3次方=多少
因式分解(1+x+x2+x3)2-x3
若X1~X5满足下列方程组:2乘X1+X2+X3+X4+X5=6,X1+2乘X2+X3+X4+X5=12,X1+X2+2