4.5X+3.3(41-X)=145.2解方程.急!
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4.5X+3.3(41-X)=145.2解方程.急!
4.5X+3.3(41-X)=145.2
解方程.
急!
4.5X+3.3(41-X)=145.2解方程.急!
4.5X+3.3(41-X)=145.2
4.5X+135.3-3.3X=145.2
1.2X=145.2-135.3
X=9.9/1.2
X=8.25
4.5X+3.3(41-X)=145.2
4.5x+135.3-3.3x=145.2
1.2x=9.9
x=8.25
4.5X+3.3(41-X)=145.2解方程.急!
matlab中a=[x(11)/x,x(12)/x;x(21)/x,x(22)/x;x(31)/x,x(32)/x;x(41)/x,x(42)/x;x(51)/x,x(52)/x]咋错了
(X+X)+(X-X)+(X*X)+(X/X)=100
9x+7x-x=4.5
20%x+20%x×30%x-20%x=4.5
6.5x-4.5x=93.6-6.5x-3.5x
4.5x+x=12
x+4.5x=0.
4.5X-X=3.5
x+24=4.5X
4.5x-x=10.5
4.5 x + x=22
x*x*x*x*x=80000?
一、解方程.4.5x6+4x=41 7x-3.4x=0.72 2x+1.5x=42一、解方程.4.5x6+4x=417x-3.4x=0.722x+1.5x=42(x-4.5)x6=31.8x除1.2=8(x+1.7)除3=1.4
x*x*x=504 x*x*x=504
(x+x)+(x-x)+(x/x)=11.2
26.2-9X=8.24(X+2)=11.64X+0.5乘3=6.75X-3.3=7.31.7X-0.7X=20X-4.5+5.5=158X+5乘7=914.8X+3.4乘6.7=34.785.4X+0.6X=6.63.5(X乘7)=25.913.056除X+3.20.35乘X=8.898(X-3)-5X=275X+20==10024-16X=2.77.5乘6-5X=0.825X-16X=2.73.5乘C(X+50)=238X-12.6=8.4
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