帮忙解决下这些代数简化表达式.A)2/3X+1/4-1/5+6X-1/2X=?B)9X-1/4+6(X-1/2)=?C)6(X-1/2)+3(X+2/3)+1/2(X+1)=?

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帮忙解决下这些代数简化表达式.A)2/3X+1/4-1/5+6X-1/2X=?B)9X-1/4+6(X-1/2)=?C)6(X-1/2)+3(X+2/3)+1/2(X+1)=?
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帮忙解决下这些代数简化表达式.A)2/3X+1/4-1/5+6X-1/2X=?B)9X-1/4+6(X-1/2)=?C)6(X-1/2)+3(X+2/3)+1/2(X+1)=?
帮忙解决下这些代数简化表达式.
A)2/3X+1/4-1/5+6X-1/2X=?
B)9X-1/4+6(X-1/2)=?
C)6(X-1/2)+3(X+2/3)+1/2(X+1)=?

帮忙解决下这些代数简化表达式.A)2/3X+1/4-1/5+6X-1/2X=?B)9X-1/4+6(X-1/2)=?C)6(X-1/2)+3(X+2/3)+1/2(X+1)=?
A) 1/6x+1/20
B)15x-13/4
C)19/2x-1/2

A) 37/6X+1/20;
B)9X-1/4+6X-3=3X-13/4
C)6X-3+3X+2+1/2X+1/2=19/2X-1/2

A)=37/6X+1/20
B)=15X-13/4
C)=19/2X-1/2
把分数简化就可以了

A)37/6X+1/20
B)15x-13/4
C)19/2X+1/2