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

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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

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
一、解方程.4.5x6+4x=41 7x-3.4x=0.72 2x+1.5x=42
一、解方程.
4.5x6+4x=41
7x-3.4x=0.72
2x+1.5x=42
(x-4.5)x6=31.8
x除1.2=8
(x+1.7)除3=1.4

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