(1/4-5/6+1/3+3/2)÷(-1/2)题目在上要过程

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(1/4-5/6+1/3+3/2)÷(-1/2)题目在上要过程(1/4-5/6+1/3+3/2)÷(-1/2)题目在上要过程(1/4-5/6+1/3+3/2)÷(-1/2)题目在上要过程原式=(1/4

(1/4-5/6+1/3+3/2)÷(-1/2)题目在上要过程
(1/4-5/6+1/3+3/2)÷(-1/2)
题目在上要过程

(1/4-5/6+1/3+3/2)÷(-1/2)题目在上要过程
原式=(1/4)×(-2)-(5/6)×(-2)+(1/3)×(-2)+(3/2)×(-2)
=(-1/2)+(5/3)-(2/3)-3
=(-1/2)+1-3
=(-1/2)-2
=-5/2
不理解欢迎追问

(1/4-5/6+1/3+3/2)÷(-1/2)
=(3/12-10/12+4/12+18/12)×(-2)
=(3-10+4+18)/12×(-2)
=15/12×(-2)
=-5/2

=(1/4+3/2-5/6+1/3)÷(-1/2)
=-(7/4-3/6)*2
=-5/4*2
=-5/2